Home / 55,925,909.47-77,180,149.53-31,146,096.19

Finding the Fourth Proportional to 55,925,909.47, 77,180,149.53 and 31,146,096.19

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Solution

The fourth proportional to 55,925,909.47, 77,180,149.53 and 31,146,096.19 is: 42,982,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,925,909.47 : 77,180,149.53 = 31,146,096.19 : x
  2. Step 2: Convert to fraction form
    55,925,909.47/77,180,149.53 = 31,146,096.19/x
  3. Step 3: Cross multiply
    55,925,909.47x = 77,180,149.53 × 31,146,096.19
  4. Step 4: Simplify right side
    55,925,909.47x = 2,403,860,361,219,963.50
  5. Step 5: Solve for x
    x = 2,403,860,361,219,963.50/55,925,909.47
  6. Step 6: Final answer
    x = 42,982,946.26

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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.