Home / 113,979,875.89-157,292,363.24-61,768,911.55

Finding the Fourth Proportional to 113,979,875.89, 157,292,363.24 and 61,768,911.55

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Solution

The fourth proportional to 113,979,875.89, 157,292,363.24 and 61,768,911.55 is: 85,241,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,979,875.89 : 157,292,363.24 = 61,768,911.55 : x
  2. Step 2: Convert to fraction form
    113,979,875.89/157,292,363.24 = 61,768,911.55/x
  3. Step 3: Cross multiply
    113,979,875.89x = 157,292,363.24 × 61,768,911.55
  4. Step 4: Simplify right side
    113,979,875.89x = 9,715,778,071,675,570
  5. Step 5: Solve for x
    x = 9,715,778,071,675,570/113,979,875.89
  6. Step 6: Final answer
    x = 85,241,170.83

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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.