Home / 370,221,371.52-555,170,612.02-140,029,030.97

Finding the Fourth Proportional to 370,221,371.52, 555,170,612.02 and 140,029,030.97

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Solution

The fourth proportional to 370,221,371.52, 555,170,612.02 and 140,029,030.97 is: 209,982,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,221,371.52 : 555,170,612.02 = 140,029,030.97 : x
  2. Step 2: Convert to fraction form
    370,221,371.52/555,170,612.02 = 140,029,030.97/x
  3. Step 3: Cross multiply
    370,221,371.52x = 555,170,612.02 × 140,029,030.97
  4. Step 4: Simplify right side
    370,221,371.52x = 77,740,002,823,925,360
  5. Step 5: Solve for x
    x = 77,740,002,823,925,360/370,221,371.52
  6. Step 6: Final answer
    x = 209,982,482.93

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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.