Home / 66,720,166.08-92,071,139.04-38,843,678.55

Finding the Fourth Proportional to 66,720,166.08, 92,071,139.04 and 38,843,678.55

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Solution

The fourth proportional to 66,720,166.08, 92,071,139.04 and 38,843,678.55 is: 53,602,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,720,166.08 : 92,071,139.04 = 38,843,678.55 : x
  2. Step 2: Convert to fraction form
    66,720,166.08/92,071,139.04 = 38,843,678.55/x
  3. Step 3: Cross multiply
    66,720,166.08x = 92,071,139.04 × 38,843,678.55
  4. Step 4: Simplify right side
    66,720,166.08x = 3,576,381,728,602,115.50
  5. Step 5: Solve for x
    x = 3,576,381,728,602,115.50/66,720,166.08
  6. Step 6: Final answer
    x = 53,602,710.23

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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.