Home / 75,579,856.80-113,369,785.20-48,683,882.40

Finding the Fourth Proportional to 75,579,856.80, 113,369,785.20 and 48,683,882.40

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Solution

The fourth proportional to 75,579,856.80, 113,369,785.20 and 48,683,882.40 is: 73,025,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,579,856.80 : 113,369,785.20 = 48,683,882.40 : x
  2. Step 2: Convert to fraction form
    75,579,856.80/113,369,785.20 = 48,683,882.40/x
  3. Step 3: Cross multiply
    75,579,856.80x = 113,369,785.20 × 48,683,882.40
  4. Step 4: Simplify right side
    75,579,856.80x = 5,519,281,290,390,060
  5. Step 5: Solve for x
    x = 5,519,281,290,390,060/75,579,856.80
  6. Step 6: Final answer
    x = 73,025,823.60

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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.