Home / 102,172,824.80-153,259,237.20-91,087,359.20

Finding the Fourth Proportional to 102,172,824.80, 153,259,237.20 and 91,087,359.20

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Solution

The fourth proportional to 102,172,824.80, 153,259,237.20 and 91,087,359.20 is: 136,631,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,172,824.80 : 153,259,237.20 = 91,087,359.20 : x
  2. Step 2: Convert to fraction form
    102,172,824.80/153,259,237.20 = 91,087,359.20/x
  3. Step 3: Cross multiply
    102,172,824.80x = 153,259,237.20 × 91,087,359.20
  4. Step 4: Simplify right side
    102,172,824.80x = 13,959,979,189,554,402
  5. Step 5: Solve for x
    x = 13,959,979,189,554,402/102,172,824.80
  6. Step 6: Final answer
    x = 136,631,038.80

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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.