Home / 292,872,969.30-404,170,872.15-160,712,809.80

Finding the Fourth Proportional to 292,872,969.30, 404,170,872.15 and 160,712,809.80

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Solution

The fourth proportional to 292,872,969.30, 404,170,872.15 and 160,712,809.80 is: 221,787,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,872,969.30 : 404,170,872.15 = 160,712,809.80 : x
  2. Step 2: Convert to fraction form
    292,872,969.30/404,170,872.15 = 160,712,809.80/x
  3. Step 3: Cross multiply
    292,872,969.30x = 404,170,872.15 × 160,712,809.80
  4. Step 4: Simplify right side
    292,872,969.30x = 64,955,436,502,543,072
  5. Step 5: Solve for x
    x = 64,955,436,502,543,072/292,872,969.30
  6. Step 6: Final answer
    x = 221,787,065.76

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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.