Home / 91,992,666.30-137,988,999.45-69,034,415.10

Finding the Fourth Proportional to 91,992,666.30, 137,988,999.45 and 69,034,415.10

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Solution

The fourth proportional to 91,992,666.30, 137,988,999.45 and 69,034,415.10 is: 103,551,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,992,666.30 : 137,988,999.45 = 69,034,415.10 : x
  2. Step 2: Convert to fraction form
    91,992,666.30/137,988,999.45 = 69,034,415.10/x
  3. Step 3: Cross multiply
    91,992,666.30x = 137,988,999.45 × 69,034,415.10
  4. Step 4: Simplify right side
    91,992,666.30x = 9,525,989,867,264,970
  5. Step 5: Solve for x
    x = 9,525,989,867,264,970/91,992,666.30
  6. Step 6: Final answer
    x = 103,551,622.65

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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.