Home / 220,194,547.20-330,281,323.20-74,613,830.40

Finding the Fourth Proportional to 220,194,547.20, 330,281,323.20 and 74,613,830.40

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Solution

The fourth proportional to 220,194,547.20, 330,281,323.20 and 74,613,830.40 is: 111,917,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,194,547.20 : 330,281,323.20 = 74,613,830.40 : x
  2. Step 2: Convert to fraction form
    220,194,547.20/330,281,323.20 = 74,613,830.40/x
  3. Step 3: Cross multiply
    220,194,547.20x = 330,281,323.20 × 74,613,830.40
  4. Step 4: Simplify right side
    220,194,547.20x = 24,643,554,633,532,388
  5. Step 5: Solve for x
    x = 24,643,554,633,532,388/220,194,547.20
  6. Step 6: Final answer
    x = 111,917,188.44

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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.