Home / 51,988,485.70-77,982,728.55-47,957,407.30

Finding the Fourth Proportional to 51,988,485.70, 77,982,728.55 and 47,957,407.30

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Solution

The fourth proportional to 51,988,485.70, 77,982,728.55 and 47,957,407.30 is: 71,936,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988,485.70 : 77,982,728.55 = 47,957,407.30 : x
  2. Step 2: Convert to fraction form
    51,988,485.70/77,982,728.55 = 47,957,407.30/x
  3. Step 3: Cross multiply
    51,988,485.70x = 77,982,728.55 × 47,957,407.30
  4. Step 4: Simplify right side
    51,988,485.70x = 3,739,849,475,437,688
  5. Step 5: Solve for x
    x = 3,739,849,475,437,688/51,988,485.70
  6. Step 6: Final answer
    x = 71,936,110.95

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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.