Home / 145,213,289.10-217,819,933.65-112,334,805.90

Finding the Fourth Proportional to 145,213,289.10, 217,819,933.65 and 112,334,805.90

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Solution

The fourth proportional to 145,213,289.10, 217,819,933.65 and 112,334,805.90 is: 168,502,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,213,289.10 : 217,819,933.65 = 112,334,805.90 : x
  2. Step 2: Convert to fraction form
    145,213,289.10/217,819,933.65 = 112,334,805.90/x
  3. Step 3: Cross multiply
    145,213,289.10x = 217,819,933.65 × 112,334,805.90
  4. Step 4: Simplify right side
    145,213,289.10x = 24,468,759,967,723,632
  5. Step 5: Solve for x
    x = 24,468,759,967,723,632/145,213,289.10
  6. Step 6: Final answer
    x = 168,502,208.85

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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.