Home / 86,325,056.60-129,466,848.90-49,854,579.80

Finding the Fourth Proportional to 86,325,056.60, 129,466,848.90 and 49,854,579.80

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Solution

The fourth proportional to 86,325,056.60, 129,466,848.90 and 49,854,579.80 is: 74,769,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,325,056.60 : 129,466,848.90 = 49,854,579.80 : x
  2. Step 2: Convert to fraction form
    86,325,056.60/129,466,848.90 = 49,854,579.80/x
  3. Step 3: Cross multiply
    86,325,056.60x = 129,466,848.90 × 49,854,579.80
  4. Step 4: Simplify right side
    86,325,056.60x = 6,454,515,349,939,592
  5. Step 5: Solve for x
    x = 6,454,515,349,939,592/86,325,056.60
  6. Step 6: Final answer
    x = 74,769,894.21

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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.