Home / 239,589,781,126.40-359,406,764,682.67-78,242,033,521.65

Finding the Fourth Proportional to 239,589,781,126.40, 359,406,764,682.67 and 78,242,033,521.65

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Solution

The fourth proportional to 239,589,781,126.40, 359,406,764,682.67 and 78,242,033,521.65 is: 117,370,265,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,589,781,126.40 : 359,406,764,682.67 = 78,242,033,521.65 : x
  2. Step 2: Convert to fraction form
    239,589,781,126.40/359,406,764,682.67 = 78,242,033,521.65/x
  3. Step 3: Cross multiply
    239,589,781,126.40x = 359,406,764,682.67 × 78,242,033,521.65
  4. Step 4: Simplify right side
    239,589,781,126.40x = 28,120,716,130,209,234,944,000
  5. Step 5: Solve for x
    x = 28,120,716,130,209,234,944,000/239,589,781,126.40
  6. Step 6: Final answer
    x = 117,370,265,117.33

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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.