Home / 78,667,412.80-118,001,119.20-48,056,411.20

Finding the Fourth Proportional to 78,667,412.80, 118,001,119.20 and 48,056,411.20

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Solution

The fourth proportional to 78,667,412.80, 118,001,119.20 and 48,056,411.20 is: 72,084,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,667,412.80 : 118,001,119.20 = 48,056,411.20 : x
  2. Step 2: Convert to fraction form
    78,667,412.80/118,001,119.20 = 48,056,411.20/x
  3. Step 3: Cross multiply
    78,667,412.80x = 118,001,119.20 × 48,056,411.20
  4. Step 4: Simplify right side
    78,667,412.80x = 5,670,710,306,335,416
  5. Step 5: Solve for x
    x = 5,670,710,306,335,416/78,667,412.80
  6. Step 6: Final answer
    x = 72,084,616.80

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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.