Home / 74,987,376.54-112,371,019.17-42,261,655.02

Finding the Fourth Proportional to 74,987,376.54, 112,371,019.17 and 42,261,655.02

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Solution

The fourth proportional to 74,987,376.54, 112,371,019.17 and 42,261,655.02 is: 63,330,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,987,376.54 : 112,371,019.17 = 42,261,655.02 : x
  2. Step 2: Convert to fraction form
    74,987,376.54/112,371,019.17 = 42,261,655.02/x
  3. Step 3: Cross multiply
    74,987,376.54x = 112,371,019.17 × 42,261,655.02
  4. Step 4: Simplify right side
    74,987,376.54x = 4,748,985,246,408,347
  5. Step 5: Solve for x
    x = 4,748,985,246,408,347/74,987,376.54
  6. Step 6: Final answer
    x = 63,330,462.61

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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.