Home / 113,886,490.73-157,162,574.52-61,674,331.57

Finding the Fourth Proportional to 113,886,490.73, 157,162,574.52 and 61,674,331.57

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Solution

The fourth proportional to 113,886,490.73, 157,162,574.52 and 61,674,331.57 is: 85,110,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,886,490.73 : 157,162,574.52 = 61,674,331.57 : x
  2. Step 2: Convert to fraction form
    113,886,490.73/157,162,574.52 = 61,674,331.57/x
  3. Step 3: Cross multiply
    113,886,490.73x = 157,162,574.52 × 61,674,331.57
  4. Step 4: Simplify right side
    113,886,490.73x = 9,692,896,730,948,408
  5. Step 5: Solve for x
    x = 9,692,896,730,948,408/113,886,490.73
  6. Step 6: Final answer
    x = 85,110,153.71

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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.