Home / 60,499,045.10-90,748,567.65-20,104,280.30

Finding the Fourth Proportional to 60,499,045.10, 90,748,567.65 and 20,104,280.30

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Solution

The fourth proportional to 60,499,045.10, 90,748,567.65 and 20,104,280.30 is: 30,156,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,499,045.10 : 90,748,567.65 = 20,104,280.30 : x
  2. Step 2: Convert to fraction form
    60,499,045.10/90,748,567.65 = 20,104,280.30/x
  3. Step 3: Cross multiply
    60,499,045.10x = 90,748,567.65 × 20,104,280.30
  4. Step 4: Simplify right side
    60,499,045.10x = 1,824,434,640,859,112.50
  5. Step 5: Solve for x
    x = 1,824,434,640,859,112.50/60,499,045.10
  6. Step 6: Final answer
    x = 30,156,420.45

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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.