Home / 48,285,005.60-72,427,508.40-42,994,215.20

Finding the Fourth Proportional to 48,285,005.60, 72,427,508.40 and 42,994,215.20

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Solution

The fourth proportional to 48,285,005.60, 72,427,508.40 and 42,994,215.20 is: 64,491,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,285,005.60 : 72,427,508.40 = 42,994,215.20 : x
  2. Step 2: Convert to fraction form
    48,285,005.60/72,427,508.40 = 42,994,215.20/x
  3. Step 3: Cross multiply
    48,285,005.60x = 72,427,508.40 × 42,994,215.20
  4. Step 4: Simplify right side
    48,285,005.60x = 3,113,963,882,549,408
  5. Step 5: Solve for x
    x = 3,113,963,882,549,408/48,285,005.60
  6. Step 6: Final answer
    x = 64,491,322.80

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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.