Home / 82,980,521.20-124,470,781.80-62,825,129.20

Finding the Fourth Proportional to 82,980,521.20, 124,470,781.80 and 62,825,129.20

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Solution

The fourth proportional to 82,980,521.20, 124,470,781.80 and 62,825,129.20 is: 94,237,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,980,521.20 : 124,470,781.80 = 62,825,129.20 : x
  2. Step 2: Convert to fraction form
    82,980,521.20/124,470,781.80 = 62,825,129.20/x
  3. Step 3: Cross multiply
    82,980,521.20x = 124,470,781.80 × 62,825,129.20
  4. Step 4: Simplify right side
    82,980,521.20x = 7,819,892,948,210,009
  5. Step 5: Solve for x
    x = 7,819,892,948,210,009/82,980,521.20
  6. Step 6: Final answer
    x = 94,237,693.80

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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.