Home / 115,900,515.10-173,850,772.65-69,984,012.70

Finding the Fourth Proportional to 115,900,515.10, 173,850,772.65 and 69,984,012.70

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Solution

The fourth proportional to 115,900,515.10, 173,850,772.65 and 69,984,012.70 is: 104,976,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,900,515.10 : 173,850,772.65 = 69,984,012.70 : x
  2. Step 2: Convert to fraction form
    115,900,515.10/173,850,772.65 = 69,984,012.70/x
  3. Step 3: Cross multiply
    115,900,515.10x = 173,850,772.65 × 69,984,012.70
  4. Step 4: Simplify right side
    115,900,515.10x = 12,166,774,681,042,414
  5. Step 5: Solve for x
    x = 12,166,774,681,042,414/115,900,515.10
  6. Step 6: Final answer
    x = 104,976,019.05

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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.