Home / 162,258,407.12-223,916,798.68-87,918,909

Finding the Fourth Proportional to 162,258,407.12, 223,916,798.68 and 87,918,909

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Solution

The fourth proportional to 162,258,407.12, 223,916,798.68 and 87,918,909 is: 121,328,201.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,258,407.12 : 223,916,798.68 = 87,918,909 : x
  2. Step 2: Convert to fraction form
    162,258,407.12/223,916,798.68 = 87,918,909/x
  3. Step 3: Cross multiply
    162,258,407.12x = 223,916,798.68 × 87,918,909
  4. Step 4: Simplify right side
    162,258,407.12x = 19,686,520,646,718,240
  5. Step 5: Solve for x
    x = 19,686,520,646,718,240/162,258,407.12
  6. Step 6: Final answer
    x = 121,328,201.08

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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.