Home / 193,626,931.12-290,526,165.21-101,488,772.11

Finding the Fourth Proportional to 193,626,931.12, 290,526,165.21 and 101,488,772.11

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Solution

The fourth proportional to 193,626,931.12, 290,526,165.21 and 101,488,772.11 is: 152,278,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,626,931.12 : 290,526,165.21 = 101,488,772.11 : x
  2. Step 2: Convert to fraction form
    193,626,931.12/290,526,165.21 = 101,488,772.11/x
  3. Step 3: Cross multiply
    193,626,931.12x = 290,526,165.21 × 101,488,772.11
  4. Step 4: Simplify right side
    193,626,931.12x = 29,485,143,772,989,896
  5. Step 5: Solve for x
    x = 29,485,143,772,989,896/193,626,931.12
  6. Step 6: Final answer
    x = 152,278,113.39

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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.