Home / 108,545,005.60-162,817,508.40-76,694,509.60

Finding the Fourth Proportional to 108,545,005.60, 162,817,508.40 and 76,694,509.60

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Solution

The fourth proportional to 108,545,005.60, 162,817,508.40 and 76,694,509.60 is: 115,041,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,545,005.60 : 162,817,508.40 = 76,694,509.60 : x
  2. Step 2: Convert to fraction form
    108,545,005.60/162,817,508.40 = 76,694,509.60/x
  3. Step 3: Cross multiply
    108,545,005.60x = 162,817,508.40 × 76,694,509.60
  4. Step 4: Simplify right side
    108,545,005.60x = 12,487,208,961,031,880
  5. Step 5: Solve for x
    x = 12,487,208,961,031,880/108,545,005.60
  6. Step 6: Final answer
    x = 115,041,764.40

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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.