Home / 113,445,724.87-156,563,117.73-63,213,278.01

Finding the Fourth Proportional to 113,445,724.87, 156,563,117.73 and 63,213,278.01

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Solution

The fourth proportional to 113,445,724.87, 156,563,117.73 and 63,213,278.01 is: 87,238,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,445,724.87 : 156,563,117.73 = 63,213,278.01 : x
  2. Step 2: Convert to fraction form
    113,445,724.87/156,563,117.73 = 63,213,278.01/x
  3. Step 3: Cross multiply
    113,445,724.87x = 156,563,117.73 × 63,213,278.01
  4. Step 4: Simplify right side
    113,445,724.87x = 9,896,867,886,787,442
  5. Step 5: Solve for x
    x = 9,896,867,886,787,442/113,445,724.87
  6. Step 6: Final answer
    x = 87,238,791.04

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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.