Home / 137,459,716.72-189,689,307.48-75,576,373.36

Finding the Fourth Proportional to 137,459,716.72, 189,689,307.48 and 75,576,373.36

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Solution

The fourth proportional to 137,459,716.72, 189,689,307.48 and 75,576,373.36 is: 104,292,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,459,716.72 : 189,689,307.48 = 75,576,373.36 : x
  2. Step 2: Convert to fraction form
    137,459,716.72/189,689,307.48 = 75,576,373.36/x
  3. Step 3: Cross multiply
    137,459,716.72x = 189,689,307.48 × 75,576,373.36
  4. Step 4: Simplify right side
    137,459,716.72x = 14,336,029,924,508,320
  5. Step 5: Solve for x
    x = 14,336,029,924,508,320/137,459,716.72
  6. Step 6: Final answer
    x = 104,292,590.34

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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.