Home / 114,259,938.40-157,726,988.10-77,140,500.66

Finding the Fourth Proportional to 114,259,938.40, 157,726,988.10 and 77,140,500.66

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Solution

The fourth proportional to 114,259,938.40, 157,726,988.10 and 77,140,500.66 is: 106,486,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,259,938.40 : 157,726,988.10 = 77,140,500.66 : x
  2. Step 2: Convert to fraction form
    114,259,938.40/157,726,988.10 = 77,140,500.66/x
  3. Step 3: Cross multiply
    114,259,938.40x = 157,726,988.10 × 77,140,500.66
  4. Step 4: Simplify right side
    114,259,938.40x = 12,167,138,829,627,862
  5. Step 5: Solve for x
    x = 12,167,138,829,627,862/114,259,938.40
  6. Step 6: Final answer
    x = 106,486,481.62

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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.