Home / 60,619,772.85-90,888,155.47-21,757,362.40

Finding the Fourth Proportional to 60,619,772.85, 90,888,155.47 and 21,757,362.40

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Solution

The fourth proportional to 60,619,772.85, 90,888,155.47 and 21,757,362.40 is: 32,621,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,619,772.85 : 90,888,155.47 = 21,757,362.40 : x
  2. Step 2: Convert to fraction form
    60,619,772.85/90,888,155.47 = 21,757,362.40/x
  3. Step 3: Cross multiply
    60,619,772.85x = 90,888,155.47 × 21,757,362.40
  4. Step 4: Simplify right side
    60,619,772.85x = 1,977,486,536,428,332.25
  5. Step 5: Solve for x
    x = 1,977,486,536,428,332.25/60,619,772.85
  6. Step 6: Final answer
    x = 32,621,147.25

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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.