Home / 153,035,347.74-211,178,228.67-86,064,319.86

Finding the Fourth Proportional to 153,035,347.74, 211,178,228.67 and 86,064,319.86

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Solution

The fourth proportional to 153,035,347.74, 211,178,228.67 and 86,064,319.86 is: 118,762,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,035,347.74 : 211,178,228.67 = 86,064,319.86 : x
  2. Step 2: Convert to fraction form
    153,035,347.74/211,178,228.67 = 86,064,319.86/x
  3. Step 3: Cross multiply
    153,035,347.74x = 211,178,228.67 × 86,064,319.86
  4. Step 4: Simplify right side
    153,035,347.74x = 18,174,910,619,723,100
  5. Step 5: Solve for x
    x = 18,174,910,619,723,100/153,035,347.74
  6. Step 6: Final answer
    x = 118,762,827.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.