Home / 113,779,599.95-157,016,120.87-61,569,195.86

Finding the Fourth Proportional to 113,779,599.95, 157,016,120.87 and 61,569,195.86

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Solution

The fourth proportional to 113,779,599.95, 157,016,120.87 and 61,569,195.86 is: 84,965,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,779,599.95 : 157,016,120.87 = 61,569,195.86 : x
  2. Step 2: Convert to fraction form
    113,779,599.95/157,016,120.87 = 61,569,195.86/x
  3. Step 3: Cross multiply
    113,779,599.95x = 157,016,120.87 × 61,569,195.86
  4. Step 4: Simplify right side
    113,779,599.95x = 9,667,356,299,022,464
  5. Step 5: Solve for x
    x = 9,667,356,299,022,464/113,779,599.95
  6. Step 6: Final answer
    x = 84,965,637.98

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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.