Home / 150,427,814.40-225,641,721.60-137,513,798.10

Finding the Fourth Proportional to 150,427,814.40, 225,641,721.60 and 137,513,798.10

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Solution

The fourth proportional to 150,427,814.40, 225,641,721.60 and 137,513,798.10 is: 206,270,697.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,427,814.40 : 225,641,721.60 = 137,513,798.10 : x
  2. Step 2: Convert to fraction form
    150,427,814.40/225,641,721.60 = 137,513,798.10/x
  3. Step 3: Cross multiply
    150,427,814.40x = 225,641,721.60 × 137,513,798.10
  4. Step 4: Simplify right side
    150,427,814.40x = 31,028,850,147,038,808
  5. Step 5: Solve for x
    x = 31,028,850,147,038,808/150,427,814.40
  6. Step 6: Final answer
    x = 206,270,697.15

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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.