Home / 96,776,906.10-145,165,359.15-85,439,498.10

Finding the Fourth Proportional to 96,776,906.10, 145,165,359.15 and 85,439,498.10

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Solution

The fourth proportional to 96,776,906.10, 145,165,359.15 and 85,439,498.10 is: 128,159,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,776,906.10 : 145,165,359.15 = 85,439,498.10 : x
  2. Step 2: Convert to fraction form
    96,776,906.10/145,165,359.15 = 85,439,498.10/x
  3. Step 3: Cross multiply
    96,776,906.10x = 145,165,359.15 × 85,439,498.10
  4. Step 4: Simplify right side
    96,776,906.10x = 12,402,855,427,282,242
  5. Step 5: Solve for x
    x = 12,402,855,427,282,242/96,776,906.10
  6. Step 6: Final answer
    x = 128,159,247.15

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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.