Home / 98,639,190.87-136,118,731.71-54,588,046.38

Finding the Fourth Proportional to 98,639,190.87, 136,118,731.71 and 54,588,046.38

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Solution

The fourth proportional to 98,639,190.87, 136,118,731.71 and 54,588,046.38 is: 75,329,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,639,190.87 : 136,118,731.71 = 54,588,046.38 : x
  2. Step 2: Convert to fraction form
    98,639,190.87/136,118,731.71 = 54,588,046.38/x
  3. Step 3: Cross multiply
    98,639,190.87x = 136,118,731.71 × 54,588,046.38
  4. Step 4: Simplify right side
    98,639,190.87x = 7,430,455,639,772,258
  5. Step 5: Solve for x
    x = 7,430,455,639,772,258/98,639,190.87
  6. Step 6: Final answer
    x = 75,329,649.14

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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.