Home / 113,885,999.55-170,828,999.33-75,143,950.65

Finding the Fourth Proportional to 113,885,999.55, 170,828,999.33 and 75,143,950.65

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Solution

The fourth proportional to 113,885,999.55, 170,828,999.33 and 75,143,950.65 is: 112,715,925.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,885,999.55 : 170,828,999.33 = 75,143,950.65 : x
  2. Step 2: Convert to fraction form
    113,885,999.55/170,828,999.33 = 75,143,950.65/x
  3. Step 3: Cross multiply
    113,885,999.55x = 170,828,999.33 × 75,143,950.65
  4. Step 4: Simplify right side
    113,885,999.55x = 12,836,765,894,866,684
  5. Step 5: Solve for x
    x = 12,836,765,894,866,684/113,885,999.55
  6. Step 6: Final answer
    x = 112,715,925.98

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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.