Home / 310,120,799.40-427,969,572.98-170,896,543.29

Finding the Fourth Proportional to 310,120,799.40, 427,969,572.98 and 170,896,543.29

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Solution

The fourth proportional to 310,120,799.40, 427,969,572.98 and 170,896,543.29 is: 235,838,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,120,799.40 : 427,969,572.98 = 170,896,543.29 : x
  2. Step 2: Convert to fraction form
    310,120,799.40/427,969,572.98 = 170,896,543.29/x
  3. Step 3: Cross multiply
    310,120,799.40x = 427,969,572.98 × 170,896,543.29
  4. Step 4: Simplify right side
    310,120,799.40x = 73,138,520,654,724,896
  5. Step 5: Solve for x
    x = 73,138,520,654,724,896/310,120,799.40
  6. Step 6: Final answer
    x = 235,838,811.19

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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.