Home / 113,211,701.70-169,817,552.55-72,397,032.90

Finding the Fourth Proportional to 113,211,701.70, 169,817,552.55 and 72,397,032.90

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Solution

The fourth proportional to 113,211,701.70, 169,817,552.55 and 72,397,032.90 is: 108,595,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,211,701.70 : 169,817,552.55 = 72,397,032.90 : x
  2. Step 2: Convert to fraction form
    113,211,701.70/169,817,552.55 = 72,397,032.90/x
  3. Step 3: Cross multiply
    113,211,701.70x = 169,817,552.55 × 72,397,032.90
  4. Step 4: Simplify right side
    113,211,701.70x = 12,294,286,938,959,830
  5. Step 5: Solve for x
    x = 12,294,286,938,959,830/113,211,701.70
  6. Step 6: Final answer
    x = 108,595,549.35

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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.