Home / 57,216,187.20-85,824,280.80-45,878,779.20

Finding the Fourth Proportional to 57,216,187.20, 85,824,280.80 and 45,878,779.20

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Solution

The fourth proportional to 57,216,187.20, 85,824,280.80 and 45,878,779.20 is: 68,818,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216,187.20 : 85,824,280.80 = 45,878,779.20 : x
  2. Step 2: Convert to fraction form
    57,216,187.20/85,824,280.80 = 45,878,779.20/x
  3. Step 3: Cross multiply
    57,216,187.20x = 85,824,280.80 × 45,878,779.20
  4. Step 4: Simplify right side
    57,216,187.20x = 3,937,513,228,821,999.50
  5. Step 5: Solve for x
    x = 3,937,513,228,821,999.50/57,216,187.20
  6. Step 6: Final answer
    x = 68,818,168.80

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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.