Home / 156,065,198.59-215,369,899.16-93,341,295.47

Finding the Fourth Proportional to 156,065,198.59, 215,369,899.16 and 93,341,295.47

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Solution

The fourth proportional to 156,065,198.59, 215,369,899.16 and 93,341,295.47 is: 128,810,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,065,198.59 : 215,369,899.16 = 93,341,295.47 : x
  2. Step 2: Convert to fraction form
    156,065,198.59/215,369,899.16 = 93,341,295.47/x
  3. Step 3: Cross multiply
    156,065,198.59x = 215,369,899.16 × 93,341,295.47
  4. Step 4: Simplify right side
    156,065,198.59x = 20,102,905,392,223,440
  5. Step 5: Solve for x
    x = 20,102,905,392,223,440/156,065,198.59
  6. Step 6: Final answer
    x = 128,810,942.95

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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.