Home / 68,514,133.75-102,730,158.10-21,807,445.01

Finding the Fourth Proportional to 68,514,133.75, 102,730,158.10 and 21,807,445.01

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Solution

The fourth proportional to 68,514,133.75, 102,730,158.10 and 21,807,445.01 is: 32,698,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,514,133.75 : 102,730,158.10 = 21,807,445.01 : x
  2. Step 2: Convert to fraction form
    68,514,133.75/102,730,158.10 = 21,807,445.01/x
  3. Step 3: Cross multiply
    68,514,133.75x = 102,730,158.10 × 21,807,445.01
  4. Step 4: Simplify right side
    68,514,133.75x = 2,240,282,273,527,501.75
  5. Step 5: Solve for x
    x = 2,240,282,273,527,501.75/68,514,133.75
  6. Step 6: Final answer
    x = 32,698,104.04

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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.