Home / 64,152,015.40-96,228,023.10-28,320,207.40

Finding the Fourth Proportional to 64,152,015.40, 96,228,023.10 and 28,320,207.40

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Solution

The fourth proportional to 64,152,015.40, 96,228,023.10 and 28,320,207.40 is: 42,480,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,015.40 : 96,228,023.10 = 28,320,207.40 : x
  2. Step 2: Convert to fraction form
    64,152,015.40/96,228,023.10 = 28,320,207.40/x
  3. Step 3: Cross multiply
    64,152,015.40x = 96,228,023.10 × 28,320,207.40
  4. Step 4: Simplify right side
    64,152,015.40x = 2,725,197,571,883,990.50
  5. Step 5: Solve for x
    x = 2,725,197,571,883,990.50/64,152,015.40
  6. Step 6: Final answer
    x = 42,480,311.10

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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.