Home / 77,461,634.91-106,897,056.03-42,654,242.55

Finding the Fourth Proportional to 77,461,634.91, 106,897,056.03 and 42,654,242.55

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Solution

The fourth proportional to 77,461,634.91, 106,897,056.03 and 42,654,242.55 is: 58,862,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,461,634.91 : 106,897,056.03 = 42,654,242.55 : x
  2. Step 2: Convert to fraction form
    77,461,634.91/106,897,056.03 = 42,654,242.55/x
  3. Step 3: Cross multiply
    77,461,634.91x = 106,897,056.03 × 42,654,242.55
  4. Step 4: Simplify right side
    77,461,634.91x = 4,559,612,955,784,560
  5. Step 5: Solve for x
    x = 4,559,612,955,784,560/77,461,634.91
  6. Step 6: Final answer
    x = 58,862,854.64

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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.