Home / 74,886,788.40-112,330,182.60-61,281,898.80

Finding the Fourth Proportional to 74,886,788.40, 112,330,182.60 and 61,281,898.80

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Solution

The fourth proportional to 74,886,788.40, 112,330,182.60 and 61,281,898.80 is: 91,922,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886,788.40 : 112,330,182.60 = 61,281,898.80 : x
  2. Step 2: Convert to fraction form
    74,886,788.40/112,330,182.60 = 61,281,898.80/x
  3. Step 3: Cross multiply
    74,886,788.40x = 112,330,182.60 × 61,281,898.80
  4. Step 4: Simplify right side
    74,886,788.40x = 6,883,806,882,278,720
  5. Step 5: Solve for x
    x = 6,883,806,882,278,720/74,886,788.40
  6. Step 6: Final answer
    x = 91,922,848.20

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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.