Home / 140,147,793.90-210,184,366.05-43,103,313.90

Finding the Fourth Proportional to 140,147,793.90, 210,184,366.05 and 43,103,313.90

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Solution

The fourth proportional to 140,147,793.90, 210,184,366.05 and 43,103,313.90 is: 64,643,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,147,793.90 : 210,184,366.05 = 43,103,313.90 : x
  2. Step 2: Convert to fraction form
    140,147,793.90/210,184,366.05 = 43,103,313.90/x
  3. Step 3: Cross multiply
    140,147,793.90x = 210,184,366.05 × 43,103,313.90
  4. Step 4: Simplify right side
    140,147,793.90x = 9,059,642,706,725,654
  5. Step 5: Solve for x
    x = 9,059,642,706,725,654/140,147,793.90
  6. Step 6: Final answer
    x = 64,643,491.38

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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.