Home / 359,421,739.68-539,134,188.96-113,779,581.20

Finding the Fourth Proportional to 359,421,739.68, 539,134,188.96 and 113,779,581.20

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Solution

The fourth proportional to 359,421,739.68, 539,134,188.96 and 113,779,581.20 is: 170,669,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,421,739.68 : 539,134,188.96 = 113,779,581.20 : x
  2. Step 2: Convert to fraction form
    359,421,739.68/539,134,188.96 = 113,779,581.20/x
  3. Step 3: Cross multiply
    359,421,739.68x = 539,134,188.96 × 113,779,581.20
  4. Step 4: Simplify right side
    359,421,739.68x = 61,342,462,230,470,472
  5. Step 5: Solve for x
    x = 61,342,462,230,470,472/359,421,739.68
  6. Step 6: Final answer
    x = 170,669,871.79

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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.