Home / 144,510,747.04-199,426,744.19-78,432,037.40

Finding the Fourth Proportional to 144,510,747.04, 199,426,744.19 and 78,432,037.40

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Solution

The fourth proportional to 144,510,747.04, 199,426,744.19 and 78,432,037.40 is: 108,237,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,510,747.04 : 199,426,744.19 = 78,432,037.40 : x
  2. Step 2: Convert to fraction form
    144,510,747.04/199,426,744.19 = 78,432,037.40/x
  3. Step 3: Cross multiply
    144,510,747.04x = 199,426,744.19 × 78,432,037.40
  4. Step 4: Simplify right side
    144,510,747.04x = 15,641,445,859,149,068
  5. Step 5: Solve for x
    x = 15,641,445,859,149,068/144,510,747.04
  6. Step 6: Final answer
    x = 108,237,250.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.