Home / 165,387,293.92-228,227,473.85-90,032,055.06

Finding the Fourth Proportional to 165,387,293.92, 228,227,473.85 and 90,032,055.06

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Solution

The fourth proportional to 165,387,293.92, 228,227,473.85 and 90,032,055.06 is: 124,240,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,387,293.92 : 228,227,473.85 = 90,032,055.06 : x
  2. Step 2: Convert to fraction form
    165,387,293.92/228,227,473.85 = 90,032,055.06/x
  3. Step 3: Cross multiply
    165,387,293.92x = 228,227,473.85 × 90,032,055.06
  4. Step 4: Simplify right side
    165,387,293.92x = 20,547,788,492,273,604
  5. Step 5: Solve for x
    x = 20,547,788,492,273,604/165,387,293.92
  6. Step 6: Final answer
    x = 124,240,429.87

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1.5x scale

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.