Home / 99,403,141.09-137,175,026.87-54,748,255.81

Finding the Fourth Proportional to 99,403,141.09, 137,175,026.87 and 54,748,255.81

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Solution

The fourth proportional to 99,403,141.09, 137,175,026.87 and 54,748,255.81 is: 75,551,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,403,141.09 : 137,175,026.87 = 54,748,255.81 : x
  2. Step 2: Convert to fraction form
    99,403,141.09/137,175,026.87 = 54,748,255.81/x
  3. Step 3: Cross multiply
    99,403,141.09x = 137,175,026.87 × 54,748,255.81
  4. Step 4: Simplify right side
    99,403,141.09x = 7,510,093,461,548,643
  5. Step 5: Solve for x
    x = 7,510,093,461,548,643/99,403,141.09
  6. Step 6: Final answer
    x = 75,551,872.70

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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.