Home / 124,885,488.05-187,512,381.57-69,661,216.92

Finding the Fourth Proportional to 124,885,488.05, 187,512,381.57 and 69,661,216.92

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Solution

The fourth proportional to 124,885,488.05, 187,512,381.57 and 69,661,216.92 is: 104,594,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,885,488.05 : 187,512,381.57 = 69,661,216.92 : x
  2. Step 2: Convert to fraction form
    124,885,488.05/187,512,381.57 = 69,661,216.92/x
  3. Step 3: Cross multiply
    124,885,488.05x = 187,512,381.57 × 69,661,216.92
  4. Step 4: Simplify right side
    124,885,488.05x = 13,062,340,688,697,980
  5. Step 5: Solve for x
    x = 13,062,340,688,697,980/124,885,488.05
  6. Step 6: Final answer
    x = 104,594,544.11

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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.