Home / 147,866,726.45-221,793,924.12-38,689,480.31

Finding the Fourth Proportional to 147,866,726.45, 221,793,924.12 and 38,689,480.31

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Solution

The fourth proportional to 147,866,726.45, 221,793,924.12 and 38,689,480.31 is: 58,032,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,866,726.45 : 221,793,924.12 = 38,689,480.31 : x
  2. Step 2: Convert to fraction form
    147,866,726.45/221,793,924.12 = 38,689,480.31/x
  3. Step 3: Cross multiply
    147,866,726.45x = 221,793,924.12 × 38,689,480.31
  4. Step 4: Simplify right side
    147,866,726.45x = 8,581,091,660,843,925
  5. Step 5: Solve for x
    x = 8,581,091,660,843,925/147,866,726.45
  6. Step 6: Final answer
    x = 58,032,607.25

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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.