Home / 173,772,421.20-260,658,631.80-91,859,648.40

Finding the Fourth Proportional to 173,772,421.20, 260,658,631.80 and 91,859,648.40

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Solution

The fourth proportional to 173,772,421.20, 260,658,631.80 and 91,859,648.40 is: 137,789,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,772,421.20 : 260,658,631.80 = 91,859,648.40 : x
  2. Step 2: Convert to fraction form
    173,772,421.20/260,658,631.80 = 91,859,648.40/x
  3. Step 3: Cross multiply
    173,772,421.20x = 260,658,631.80 × 91,859,648.40
  4. Step 4: Simplify right side
    173,772,421.20x = 23,944,010,269,573,060
  5. Step 5: Solve for x
    x = 23,944,010,269,573,060/173,772,421.20
  6. Step 6: Final answer
    x = 137,789,472.60

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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.