Home / 140,423,976.90-210,225,392.55-100,113,192.90

Finding the Fourth Proportional to 140,423,976.90, 210,225,392.55 and 100,113,192.90

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Solution

The fourth proportional to 140,423,976.90, 210,225,392.55 and 100,113,192.90 is: 149,877,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,423,976.90 : 210,225,392.55 = 100,113,192.90 : x
  2. Step 2: Convert to fraction form
    140,423,976.90/210,225,392.55 = 100,113,192.90/x
  3. Step 3: Cross multiply
    140,423,976.90x = 210,225,392.55 × 100,113,192.90
  4. Step 4: Simplify right side
    140,423,976.90x = 21,046,335,276,836,376
  5. Step 5: Solve for x
    x = 21,046,335,276,836,376/140,423,976.90
  6. Step 6: Final answer
    x = 149,877,077.56

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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.