Home / 115,060,918.16-158,744,681.38-65,488,889.00

Finding the Fourth Proportional to 115,060,918.16, 158,744,681.38 and 65,488,889.00

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Solution

The fourth proportional to 115,060,918.16, 158,744,681.38 and 65,488,889.00 is: 90,352,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,060,918.16 : 158,744,681.38 = 65,488,889.00 : x
  2. Step 2: Convert to fraction form
    115,060,918.16/158,744,681.38 = 65,488,889.00/x
  3. Step 3: Cross multiply
    115,060,918.16x = 158,744,681.38 × 65,488,889.00
  4. Step 4: Simplify right side
    115,060,918.16x = 10,396,012,818,713,908
  5. Step 5: Solve for x
    x = 10,396,012,818,713,908/115,060,918.16
  6. Step 6: Final answer
    x = 90,352,249.79

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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.