Home / 310,069,820.65-465,172,833.65-91,703,138.28

Finding the Fourth Proportional to 310,069,820.65, 465,172,833.65 and 91,703,138.28

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Solution

The fourth proportional to 310,069,820.65, 465,172,833.65 and 91,703,138.28 is: 137,574,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,069,820.65 : 465,172,833.65 = 91,703,138.28 : x
  2. Step 2: Convert to fraction form
    310,069,820.65/465,172,833.65 = 91,703,138.28/x
  3. Step 3: Cross multiply
    310,069,820.65x = 465,172,833.65 × 91,703,138.28
  4. Step 4: Simplify right side
    310,069,820.65x = 42,657,808,687,846,872
  5. Step 5: Solve for x
    x = 42,657,808,687,846,872/310,069,820.65
  6. Step 6: Final answer
    x = 137,574,848.78

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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.