Home / 98,914,206.64-136,343,944.12-77,972,114.64

Finding the Fourth Proportional to 98,914,206.64, 136,343,944.12 and 77,972,114.64

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Solution

The fourth proportional to 98,914,206.64, 136,343,944.12 and 77,972,114.64 is: 107,477,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,914,206.64 : 136,343,944.12 = 77,972,114.64 : x
  2. Step 2: Convert to fraction form
    98,914,206.64/136,343,944.12 = 77,972,114.64/x
  3. Step 3: Cross multiply
    98,914,206.64x = 136,343,944.12 × 77,972,114.64
  4. Step 4: Simplify right side
    98,914,206.64x = 10,631,025,641,394,394
  5. Step 5: Solve for x
    x = 10,631,025,641,394,394/98,914,206.64
  6. Step 6: Final answer
    x = 107,477,237.12

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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.