Home / 86,939,958.06-130,433,457.06-29,432,234.16

Finding the Fourth Proportional to 86,939,958.06, 130,433,457.06 and 29,432,234.16

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Solution

The fourth proportional to 86,939,958.06, 130,433,457.06 and 29,432,234.16 is: 44,156,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,939,958.06 : 130,433,457.06 = 29,432,234.16 : x
  2. Step 2: Convert to fraction form
    86,939,958.06/130,433,457.06 = 29,432,234.16/x
  3. Step 3: Cross multiply
    86,939,958.06x = 130,433,457.06 × 29,432,234.16
  4. Step 4: Simplify right side
    86,939,958.06x = 3,838,948,050,488,225.50
  5. Step 5: Solve for x
    x = 3,838,948,050,488,225.50/86,939,958.06
  6. Step 6: Final answer
    x = 44,156,313.58

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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.