Home / 82,714,686.80-124,072,030.20-21,303,726.80

Finding the Fourth Proportional to 82,714,686.80, 124,072,030.20 and 21,303,726.80

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Solution

The fourth proportional to 82,714,686.80, 124,072,030.20 and 21,303,726.80 is: 31,955,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,714,686.80 : 124,072,030.20 = 21,303,726.80 : x
  2. Step 2: Convert to fraction form
    82,714,686.80/124,072,030.20 = 21,303,726.80/x
  3. Step 3: Cross multiply
    82,714,686.80x = 124,072,030.20 × 21,303,726.80
  4. Step 4: Simplify right side
    82,714,686.80x = 2,643,196,634,902,149.50
  5. Step 5: Solve for x
    x = 2,643,196,634,902,149.50/82,714,686.80
  6. Step 6: Final answer
    x = 31,955,590.20

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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.