Home / 208,896,001.60-313,344,002.40-185,605,326.40

Finding the Fourth Proportional to 208,896,001.60, 313,344,002.40 and 185,605,326.40

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Solution

The fourth proportional to 208,896,001.60, 313,344,002.40 and 185,605,326.40 is: 278,407,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,896,001.60 : 313,344,002.40 = 185,605,326.40 : x
  2. Step 2: Convert to fraction form
    208,896,001.60/313,344,002.40 = 185,605,326.40/x
  3. Step 3: Cross multiply
    208,896,001.60x = 313,344,002.40 × 185,605,326.40
  4. Step 4: Simplify right side
    208,896,001.60x = 58,158,315,840,934,384
  5. Step 5: Solve for x
    x = 58,158,315,840,934,384/208,896,001.60
  6. Step 6: Final answer
    x = 278,407,989.60

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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.