Home / 113,295,781,177.44-156,418,751,007.26-72,119,402,685.70

Finding the Fourth Proportional to 113,295,781,177.44, 156,418,751,007.26 and 72,119,402,685.70

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Solution

The fourth proportional to 113,295,781,177.44, 156,418,751,007.26 and 72,119,402,685.70 is: 99,569,699,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,295,781,177.44 : 156,418,751,007.26 = 72,119,402,685.70 : x
  2. Step 2: Convert to fraction form
    113,295,781,177.44/156,418,751,007.26 = 72,119,402,685.70/x
  3. Step 3: Cross multiply
    113,295,781,177.44x = 156,418,751,007.26 × 72,119,402,685.70
  4. Step 4: Simplify right side
    113,295,781,177.44x = 11,280,826,891,486,827,118,592
  5. Step 5: Solve for x
    x = 11,280,826,891,486,827,118,592/113,295,781,177.44
  6. Step 6: Final answer
    x = 99,569,699,544.41

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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.