Home / 64,152,051.60-96,228,077.40-21,025,614.45

Finding the Fourth Proportional to 64,152,051.60, 96,228,077.40 and 21,025,614.45

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Solution

The fourth proportional to 64,152,051.60, 96,228,077.40 and 21,025,614.45 is: 31,538,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,051.60 : 96,228,077.40 = 21,025,614.45 : x
  2. Step 2: Convert to fraction form
    64,152,051.60/96,228,077.40 = 21,025,614.45/x
  3. Step 3: Cross multiply
    64,152,051.60x = 96,228,077.40 × 21,025,614.45
  4. Step 4: Simplify right side
    64,152,051.60x = 2,023,254,454,677,158.50
  5. Step 5: Solve for x
    x = 2,023,254,454,677,158.50/64,152,051.60
  6. Step 6: Final answer
    x = 31,538,421.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.