Home / 113,779,599.30-157,016,119.97-61,569,195.21

Finding the Fourth Proportional to 113,779,599.30, 157,016,119.97 and 61,569,195.21

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Solution

The fourth proportional to 113,779,599.30, 157,016,119.97 and 61,569,195.21 is: 84,965,637.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,779,599.30 : 157,016,119.97 = 61,569,195.21 : x
  2. Step 2: Convert to fraction form
    113,779,599.30/157,016,119.97 = 61,569,195.21/x
  3. Step 3: Cross multiply
    113,779,599.30x = 157,016,119.97 × 61,569,195.21
  4. Step 4: Simplify right side
    113,779,599.30x = 9,667,356,141,241,864
  5. Step 5: Solve for x
    x = 9,667,356,141,241,864/113,779,599.30
  6. Step 6: Final answer
    x = 84,965,637.08

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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.