Home / 74,892,913.20-112,171,408.20-61,455,985.20

Finding the Fourth Proportional to 74,892,913.20, 112,171,408.20 and 61,455,985.20

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Solution

The fourth proportional to 74,892,913.20, 112,171,408.20 and 61,455,985.20 is: 92,046,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,892,913.20 : 112,171,408.20 = 61,455,985.20 : x
  2. Step 2: Convert to fraction form
    74,892,913.20/112,171,408.20 = 61,455,985.20/x
  3. Step 3: Cross multiply
    74,892,913.20x = 112,171,408.20 × 61,455,985.20
  4. Step 4: Simplify right side
    74,892,913.20x = 6,893,604,402,202,359
  5. Step 5: Solve for x
    x = 6,893,604,402,202,359/74,892,913.20
  6. Step 6: Final answer
    x = 92,046,151.07

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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.