Home / 55,730,730.20-83,596,095.30-42,125,840.60

Finding the Fourth Proportional to 55,730,730.20, 83,596,095.30 and 42,125,840.60

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Solution

The fourth proportional to 55,730,730.20, 83,596,095.30 and 42,125,840.60 is: 63,188,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730,730.20 : 83,596,095.30 = 42,125,840.60 : x
  2. Step 2: Convert to fraction form
    55,730,730.20/83,596,095.30 = 42,125,840.60/x
  3. Step 3: Cross multiply
    55,730,730.20x = 83,596,095.30 × 42,125,840.60
  4. Step 4: Simplify right side
    55,730,730.20x = 3,521,555,785,390,209
  5. Step 5: Solve for x
    x = 3,521,555,785,390,209/55,730,730.20
  6. Step 6: Final answer
    x = 63,188,760.90

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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.