Home / 113,295,781,176.94-156,418,751,006.57-72,119,402,685.20

Finding the Fourth Proportional to 113,295,781,176.94, 156,418,751,006.57 and 72,119,402,685.20

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Solution

The fourth proportional to 113,295,781,176.94, 156,418,751,006.57 and 72,119,402,685.20 is: 99,569,699,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,295,781,176.94 : 156,418,751,006.57 = 72,119,402,685.20 : x
  2. Step 2: Convert to fraction form
    113,295,781,176.94/156,418,751,006.57 = 72,119,402,685.20/x
  3. Step 3: Cross multiply
    113,295,781,176.94x = 156,418,751,006.57 × 72,119,402,685.20
  4. Step 4: Simplify right side
    113,295,781,176.94x = 11,280,826,891,358,854,709,248
  5. Step 5: Solve for x
    x = 11,280,826,891,358,854,709,248/113,295,781,176.94
  6. Step 6: Final answer
    x = 99,569,699,543.72

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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.