Home / 110,779,191.30-166,020,253.20-86,216,776.82

Finding the Fourth Proportional to 110,779,191.30, 166,020,253.20 and 86,216,776.82

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Solution

The fourth proportional to 110,779,191.30, 166,020,253.20 and 86,216,776.82 is: 129,209,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,191.30 : 166,020,253.20 = 86,216,776.82 : x
  2. Step 2: Convert to fraction form
    110,779,191.30/166,020,253.20 = 86,216,776.82/x
  3. Step 3: Cross multiply
    110,779,191.30x = 166,020,253.20 × 86,216,776.82
  4. Step 4: Simplify right side
    110,779,191.30x = 14,313,731,116,914,188
  5. Step 5: Solve for x
    x = 14,313,731,116,914,188/110,779,191.30
  6. Step 6: Final answer
    x = 129,209,564.98

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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.