Home / 113,851,811.20-157,113,596.10-61,640,422.96

Finding the Fourth Proportional to 113,851,811.20, 157,113,596.10 and 61,640,422.96

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Solution

The fourth proportional to 113,851,811.20, 157,113,596.10 and 61,640,422.96 is: 85,062,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,851,811.20 : 157,113,596.10 = 61,640,422.96 : x
  2. Step 2: Convert to fraction form
    113,851,811.20/157,113,596.10 = 61,640,422.96/x
  3. Step 3: Cross multiply
    113,851,811.20x = 157,113,596.10 × 61,640,422.96
  4. Step 4: Simplify right side
    113,851,811.20x = 9,684,548,516,370,606
  5. Step 5: Solve for x
    x = 9,684,548,516,370,606/113,851,811.20
  6. Step 6: Final answer
    x = 85,062,753.19

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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.