Home / 113,411,572.40-170,005,384.20-55,856,730.80

Finding the Fourth Proportional to 113,411,572.40, 170,005,384.20 and 55,856,730.80

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Solution

The fourth proportional to 113,411,572.40, 170,005,384.20 and 55,856,730.80 is: 83,729,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,411,572.40 : 170,005,384.20 = 55,856,730.80 : x
  2. Step 2: Convert to fraction form
    113,411,572.40/170,005,384.20 = 55,856,730.80/x
  3. Step 3: Cross multiply
    113,411,572.40x = 170,005,384.20 × 55,856,730.80
  4. Step 4: Simplify right side
    113,411,572.40x = 9,495,944,979,809,972
  5. Step 5: Solve for x
    x = 9,495,944,979,809,972/113,411,572.40
  6. Step 6: Final answer
    x = 83,729,947.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.