Home / 158,688,649.80-238,032,974.70-112,331,248.20

Finding the Fourth Proportional to 158,688,649.80, 238,032,974.70 and 112,331,248.20

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Solution

The fourth proportional to 158,688,649.80, 238,032,974.70 and 112,331,248.20 is: 168,496,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,688,649.80 : 238,032,974.70 = 112,331,248.20 : x
  2. Step 2: Convert to fraction form
    158,688,649.80/238,032,974.70 = 112,331,248.20/x
  3. Step 3: Cross multiply
    158,688,649.80x = 238,032,974.70 × 112,331,248.20
  4. Step 4: Simplify right side
    158,688,649.80x = 26,738,541,160,810,020
  5. Step 5: Solve for x
    x = 26,738,541,160,810,020/158,688,649.80
  6. Step 6: Final answer
    x = 168,496,872.30

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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.