Home / 113,789,719.65-157,030,291.86-61,578,757.86

Finding the Fourth Proportional to 113,789,719.65, 157,030,291.86 and 61,578,757.86

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Solution

The fourth proportional to 113,789,719.65, 157,030,291.86 and 61,578,757.86 is: 84,978,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789,719.65 : 157,030,291.86 = 61,578,757.86 : x
  2. Step 2: Convert to fraction form
    113,789,719.65/157,030,291.86 = 61,578,757.86/x
  3. Step 3: Cross multiply
    113,789,719.65x = 157,030,291.86 × 61,578,757.86
  4. Step 4: Simplify right side
    113,789,719.65x = 9,669,730,319,132,070
  5. Step 5: Solve for x
    x = 9,669,730,319,132,070/113,789,719.65
  6. Step 6: Final answer
    x = 84,978,944.92

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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.