Home / 113,509,772.92-156,643,485.06-61,298,807.05

Finding the Fourth Proportional to 113,509,772.92, 156,643,485.06 and 61,298,807.05

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Solution

The fourth proportional to 113,509,772.92, 156,643,485.06 and 61,298,807.05 is: 84,592,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509,772.92 : 156,643,485.06 = 61,298,807.05 : x
  2. Step 2: Convert to fraction form
    113,509,772.92/156,643,485.06 = 61,298,807.05/x
  3. Step 3: Cross multiply
    113,509,772.92x = 156,643,485.06 × 61,298,807.05
  4. Step 4: Simplify right side
    113,509,772.92x = 9,602,058,766,332,498
  5. Step 5: Solve for x
    x = 9,602,058,766,332,498/113,509,772.92
  6. Step 6: Final answer
    x = 84,592,352.88

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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.