Home / 57,216,187.70-85,824,281.55-45,878,779.70

Finding the Fourth Proportional to 57,216,187.70, 85,824,281.55 and 45,878,779.70

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Solution

The fourth proportional to 57,216,187.70, 85,824,281.55 and 45,878,779.70 is: 68,818,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216,187.70 : 85,824,281.55 = 45,878,779.70 : x
  2. Step 2: Convert to fraction form
    57,216,187.70/85,824,281.55 = 45,878,779.70/x
  3. Step 3: Cross multiply
    57,216,187.70x = 85,824,281.55 × 45,878,779.70
  4. Step 4: Simplify right side
    57,216,187.70x = 3,937,513,306,143,224.50
  5. Step 5: Solve for x
    x = 3,937,513,306,143,224.50/57,216,187.70
  6. Step 6: Final answer
    x = 68,818,169.55

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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.