Home / 136,856,222.28-205,314,975.18-45,977,332.68

Finding the Fourth Proportional to 136,856,222.28, 205,314,975.18 and 45,977,332.68

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Solution

The fourth proportional to 136,856,222.28, 205,314,975.18 and 45,977,332.68 is: 68,976,293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,856,222.28 : 205,314,975.18 = 45,977,332.68 : x
  2. Step 2: Convert to fraction form
    136,856,222.28/205,314,975.18 = 45,977,332.68/x
  3. Step 3: Cross multiply
    136,856,222.28x = 205,314,975.18 × 45,977,332.68
  4. Step 4: Simplify right side
    136,856,222.28x = 9,439,834,918,036,804
  5. Step 5: Solve for x
    x = 9,439,834,918,036,804/136,856,222.28
  6. Step 6: Final answer
    x = 68,976,293.23

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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.