Home / 82,714,681.80-124,072,022.70-21,303,721.80

Finding the Fourth Proportional to 82,714,681.80, 124,072,022.70 and 21,303,721.80

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Solution

The fourth proportional to 82,714,681.80, 124,072,022.70 and 21,303,721.80 is: 31,955,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,714,681.80 : 124,072,022.70 = 21,303,721.80 : x
  2. Step 2: Convert to fraction form
    82,714,681.80/124,072,022.70 = 21,303,721.80/x
  3. Step 3: Cross multiply
    82,714,681.80x = 124,072,022.70 × 21,303,721.80
  4. Step 4: Simplify right side
    82,714,681.80x = 2,643,195,854,764,085
  5. Step 5: Solve for x
    x = 2,643,195,854,764,085/82,714,681.80
  6. Step 6: Final answer
    x = 31,955,582.70

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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.