Home / 86,670,492.60-130,005,738.90-29,143,644.60

Finding the Fourth Proportional to 86,670,492.60, 130,005,738.90 and 29,143,644.60

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Solution

The fourth proportional to 86,670,492.60, 130,005,738.90 and 29,143,644.60 is: 43,715,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,670,492.60 : 130,005,738.90 = 29,143,644.60 : x
  2. Step 2: Convert to fraction form
    86,670,492.60/130,005,738.90 = 29,143,644.60/x
  3. Step 3: Cross multiply
    86,670,492.60x = 130,005,738.90 × 29,143,644.60
  4. Step 4: Simplify right side
    86,670,492.60x = 3,788,841,050,461,995.50
  5. Step 5: Solve for x
    x = 3,788,841,050,461,995.50/86,670,492.60
  6. Step 6: Final answer
    x = 43,715,466.90

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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.