Home / 104,553,138.20-156,829,707.30-70,115,761.40

Finding the Fourth Proportional to 104,553,138.20, 156,829,707.30 and 70,115,761.40

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Solution

The fourth proportional to 104,553,138.20, 156,829,707.30 and 70,115,761.40 is: 105,173,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,553,138.20 : 156,829,707.30 = 70,115,761.40 : x
  2. Step 2: Convert to fraction form
    104,553,138.20/156,829,707.30 = 70,115,761.40/x
  3. Step 3: Cross multiply
    104,553,138.20x = 156,829,707.30 × 70,115,761.40
  4. Step 4: Simplify right side
    104,553,138.20x = 10,996,234,337,478,640
  5. Step 5: Solve for x
    x = 10,996,234,337,478,640/104,553,138.20
  6. Step 6: Final answer
    x = 105,173,642.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.