Home / 103,558,162.75-142,913,294.40-56,518,253.31

Finding the Fourth Proportional to 103,558,162.75, 142,913,294.40 and 56,518,253.31

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Solution

The fourth proportional to 103,558,162.75, 142,913,294.40 and 56,518,253.31 is: 77,996,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,558,162.75 : 142,913,294.40 = 56,518,253.31 : x
  2. Step 2: Convert to fraction form
    103,558,162.75/142,913,294.40 = 56,518,253.31/x
  3. Step 3: Cross multiply
    103,558,162.75x = 142,913,294.40 × 56,518,253.31
  4. Step 4: Simplify right side
    103,558,162.75x = 8,077,209,774,801,729
  5. Step 5: Solve for x
    x = 8,077,209,774,801,729/103,558,162.75
  6. Step 6: Final answer
    x = 77,996,843.13

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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.