Home / 142,258,499.88-213,056,281.65-138,331,327.35

Finding the Fourth Proportional to 142,258,499.88, 213,056,281.65 and 138,331,327.35

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Solution

The fourth proportional to 142,258,499.88, 213,056,281.65 and 138,331,327.35 is: 207,174,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,258,499.88 : 213,056,281.65 = 138,331,327.35 : x
  2. Step 2: Convert to fraction form
    142,258,499.88/213,056,281.65 = 138,331,327.35/x
  3. Step 3: Cross multiply
    142,258,499.88x = 213,056,281.65 × 138,331,327.35
  4. Step 4: Simplify right side
    142,258,499.88x = 29,472,358,240,899,948
  5. Step 5: Solve for x
    x = 29,472,358,240,899,948/142,258,499.88
  6. Step 6: Final answer
    x = 207,174,673.33

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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.