Home / 220,355,582.40-330,519,376.80-74,788,862.40

Finding the Fourth Proportional to 220,355,582.40, 330,519,376.80 and 74,788,862.40

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Solution

The fourth proportional to 220,355,582.40, 330,519,376.80 and 74,788,862.40 is: 112,178,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,355,582.40 : 330,519,376.80 = 74,788,862.40 : x
  2. Step 2: Convert to fraction form
    220,355,582.40/330,519,376.80 = 74,788,862.40/x
  3. Step 3: Cross multiply
    220,355,582.40x = 330,519,376.80 × 74,788,862.40
  4. Step 4: Simplify right side
    220,355,582.40x = 24,719,168,192,028,956
  5. Step 5: Solve for x
    x = 24,719,168,192,028,956/220,355,582.40
  6. Step 6: Final answer
    x = 112,178,543.07

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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.