Home / 154,473,562.11-213,177,359.67-83,909,150.13

Finding the Fourth Proportional to 154,473,562.11, 213,177,359.67 and 83,909,150.13

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Solution

The fourth proportional to 154,473,562.11, 213,177,359.67 and 83,909,150.13 is: 115,796,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,473,562.11 : 213,177,359.67 = 83,909,150.13 : x
  2. Step 2: Convert to fraction form
    154,473,562.11/213,177,359.67 = 83,909,150.13/x
  3. Step 3: Cross multiply
    154,473,562.11x = 213,177,359.67 × 83,909,150.13
  4. Step 4: Simplify right side
    154,473,562.11x = 17,887,531,076,867,036
  5. Step 5: Solve for x
    x = 17,887,531,076,867,036/154,473,562.11
  6. Step 6: Final answer
    x = 115,796,715.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.