Home / 99,456,747.49-137,254,544.31-55,403,693.02

Finding the Fourth Proportional to 99,456,747.49, 137,254,544.31 and 55,403,693.02

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Solution

The fourth proportional to 99,456,747.49, 137,254,544.31 and 55,403,693.02 is: 76,459,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,456,747.49 : 137,254,544.31 = 55,403,693.02 : x
  2. Step 2: Convert to fraction form
    99,456,747.49/137,254,544.31 = 55,403,693.02/x
  3. Step 3: Cross multiply
    99,456,747.49x = 137,254,544.31 × 55,403,693.02
  4. Step 4: Simplify right side
    99,456,747.49x = 7,604,408,638,551,228
  5. Step 5: Solve for x
    x = 7,604,408,638,551,228/99,456,747.49
  6. Step 6: Final answer
    x = 76,459,454.29

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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.