Home / 109,256,501.70-163,884,752.55-74,819,124.90

Finding the Fourth Proportional to 109,256,501.70, 163,884,752.55 and 74,819,124.90

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Solution

The fourth proportional to 109,256,501.70, 163,884,752.55 and 74,819,124.90 is: 112,228,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,256,501.70 : 163,884,752.55 = 74,819,124.90 : x
  2. Step 2: Convert to fraction form
    109,256,501.70/163,884,752.55 = 74,819,124.90/x
  3. Step 3: Cross multiply
    109,256,501.70x = 163,884,752.55 × 74,819,124.90
  4. Step 4: Simplify right side
    109,256,501.70x = 12,261,713,770,244,046
  5. Step 5: Solve for x
    x = 12,261,713,770,244,046/109,256,501.70
  6. Step 6: Final answer
    x = 112,228,687.35

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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.