Home / 123,264,013.60-184,896,020.40-87,432,205.60

Finding the Fourth Proportional to 123,264,013.60, 184,896,020.40 and 87,432,205.60

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Solution

The fourth proportional to 123,264,013.60, 184,896,020.40 and 87,432,205.60 is: 131,148,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,264,013.60 : 184,896,020.40 = 87,432,205.60 : x
  2. Step 2: Convert to fraction form
    123,264,013.60/184,896,020.40 = 87,432,205.60/x
  3. Step 3: Cross multiply
    123,264,013.60x = 184,896,020.40 × 87,432,205.60
  4. Step 4: Simplify right side
    123,264,013.60x = 16,165,866,870,234,594
  5. Step 5: Solve for x
    x = 16,165,866,870,234,594/123,264,013.60
  6. Step 6: Final answer
    x = 131,148,308.40

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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.