Home / 147,498,285.96-203,547,675.36-81,418,827.27

Finding the Fourth Proportional to 147,498,285.96, 203,547,675.36 and 81,418,827.27

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Solution

The fourth proportional to 147,498,285.96, 203,547,675.36 and 81,418,827.27 is: 112,358,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,498,285.96 : 203,547,675.36 = 81,418,827.27 : x
  2. Step 2: Convert to fraction form
    147,498,285.96/203,547,675.36 = 81,418,827.27/x
  3. Step 3: Cross multiply
    147,498,285.96x = 203,547,675.36 × 81,418,827.27
  4. Step 4: Simplify right side
    147,498,285.96x = 16,572,613,021,345,876
  5. Step 5: Solve for x
    x = 16,572,613,021,345,876/147,498,285.96
  6. Step 6: Final answer
    x = 112,358,004.12

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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.