Home / 92,847,151.20-128,130,229.71-51,035,781.45

Finding the Fourth Proportional to 92,847,151.20, 128,130,229.71 and 51,035,781.45

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Solution

The fourth proportional to 92,847,151.20, 128,130,229.71 and 51,035,781.45 is: 70,430,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,847,151.20 : 128,130,229.71 = 51,035,781.45 : x
  2. Step 2: Convert to fraction form
    92,847,151.20/128,130,229.71 = 51,035,781.45/x
  3. Step 3: Cross multiply
    92,847,151.20x = 128,130,229.71 × 51,035,781.45
  4. Step 4: Simplify right side
    92,847,151.20x = 6,539,226,400,617,857
  5. Step 5: Solve for x
    x = 6,539,226,400,617,857/92,847,151.20
  6. Step 6: Final answer
    x = 70,430,016.60

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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.