Home / 113,295,781,176.44-156,418,751,005.88-72,119,402,684.70

Finding the Fourth Proportional to 113,295,781,176.44, 156,418,751,005.88 and 72,119,402,684.70

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Solution

The fourth proportional to 113,295,781,176.44, 156,418,751,005.88 and 72,119,402,684.70 is: 99,569,699,543.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,295,781,176.44 : 156,418,751,005.88 = 72,119,402,684.70 : x
  2. Step 2: Convert to fraction form
    113,295,781,176.44/156,418,751,005.88 = 72,119,402,684.70/x
  3. Step 3: Cross multiply
    113,295,781,176.44x = 156,418,751,005.88 × 72,119,402,684.70
  4. Step 4: Simplify right side
    113,295,781,176.44x = 11,280,826,891,230,882,299,904
  5. Step 5: Solve for x
    x = 11,280,826,891,230,882,299,904/113,295,781,176.44
  6. Step 6: Final answer
    x = 99,569,699,543.03

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1.5x scale

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.