Home / 162,047,531.07-223,625,575.44-87,708,078

Finding the Fourth Proportional to 162,047,531.07, 223,625,575.44 and 87,708,078

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Solution

The fourth proportional to 162,047,531.07, 223,625,575.44 and 87,708,078 is: 121,037,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,047,531.07 : 223,625,575.44 = 87,708,078 : x
  2. Step 2: Convert to fraction form
    162,047,531.07/223,625,575.44 = 87,708,078/x
  3. Step 3: Cross multiply
    162,047,531.07x = 223,625,575.44 × 87,708,078
  4. Step 4: Simplify right side
    162,047,531.07x = 19,613,769,413,486,404
  5. Step 5: Solve for x
    x = 19,613,769,413,486,404/162,047,531.07
  6. Step 6: Final answer
    x = 121,037,138.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.