Home / 310,554,008.70-465,831,013.05-92,238,045.90

Finding the Fourth Proportional to 310,554,008.70, 465,831,013.05 and 92,238,045.90

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Solution

The fourth proportional to 310,554,008.70, 465,831,013.05 and 92,238,045.90 is: 138,357,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,554,008.70 : 465,831,013.05 = 92,238,045.90 : x
  2. Step 2: Convert to fraction form
    310,554,008.70/465,831,013.05 = 92,238,045.90/x
  3. Step 3: Cross multiply
    310,554,008.70x = 465,831,013.05 × 92,238,045.90
  4. Step 4: Simplify right side
    310,554,008.70x = 42,967,342,363,349,400
  5. Step 5: Solve for x
    x = 42,967,342,363,349,400/310,554,008.70
  6. Step 6: Final answer
    x = 138,357,068.85

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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.