Home / 142,411,615.20-213,617,422.80-88,663,903.20

Finding the Fourth Proportional to 142,411,615.20, 213,617,422.80 and 88,663,903.20

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Solution

The fourth proportional to 142,411,615.20, 213,617,422.80 and 88,663,903.20 is: 132,995,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,411,615.20 : 213,617,422.80 = 88,663,903.20 : x
  2. Step 2: Convert to fraction form
    142,411,615.20/213,617,422.80 = 88,663,903.20/x
  3. Step 3: Cross multiply
    142,411,615.20x = 213,617,422.80 × 88,663,903.20
  4. Step 4: Simplify right side
    142,411,615.20x = 18,940,154,496,972,676
  5. Step 5: Solve for x
    x = 18,940,154,496,972,676/142,411,615.20
  6. Step 6: Final answer
    x = 132,995,854.80

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1.5x scale

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.