Home / 137,829,320.96-206,776,142.69-45,706,319.96

Finding the Fourth Proportional to 137,829,320.96, 206,776,142.69 and 45,706,319.96

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Solution

The fourth proportional to 137,829,320.96, 206,776,142.69 and 45,706,319.96 is: 68,570,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,829,320.96 : 206,776,142.69 = 45,706,319.96 : x
  2. Step 2: Convert to fraction form
    137,829,320.96/206,776,142.69 = 45,706,319.96/x
  3. Step 3: Cross multiply
    137,829,320.96x = 206,776,142.69 × 45,706,319.96
  4. Step 4: Simplify right side
    137,829,320.96x = 9,450,976,536,621,342
  5. Step 5: Solve for x
    x = 9,450,976,536,621,342/137,829,320.96
  6. Step 6: Final answer
    x = 68,570,145.10

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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.