Home / 142,002,004.40-213,024,293.40-60,120,724.40

Finding the Fourth Proportional to 142,002,004.40, 213,024,293.40 and 60,120,724.40

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Solution

The fourth proportional to 142,002,004.40, 213,024,293.40 and 60,120,724.40 is: 90,190,098.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,002,004.40 : 213,024,293.40 = 60,120,724.40 : x
  2. Step 2: Convert to fraction form
    142,002,004.40/213,024,293.40 = 60,120,724.40/x
  3. Step 3: Cross multiply
    142,002,004.40x = 213,024,293.40 × 60,120,724.40
  4. Step 4: Simplify right side
    142,002,004.40x = 12,807,174,834,006,140
  5. Step 5: Solve for x
    x = 12,807,174,834,006,140/142,002,004.40
  6. Step 6: Final answer
    x = 90,190,098.99

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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.