Home / 110,779,219.10-166,020,294.89-86,216,805.52

Finding the Fourth Proportional to 110,779,219.10, 166,020,294.89 and 86,216,805.52

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Solution

The fourth proportional to 110,779,219.10, 166,020,294.89 and 86,216,805.52 is: 129,209,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,219.10 : 166,020,294.89 = 86,216,805.52 : x
  2. Step 2: Convert to fraction form
    110,779,219.10/166,020,294.89 = 86,216,805.52/x
  3. Step 3: Cross multiply
    110,779,219.10x = 166,020,294.89 × 86,216,805.52
  4. Step 4: Simplify right side
    110,779,219.10x = 14,313,739,477,153,996
  5. Step 5: Solve for x
    x = 14,313,739,477,153,996/110,779,219.10
  6. Step 6: Final answer
    x = 129,209,608.03

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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.