Home / 74,886,680.40-112,330,020.60-61,281,790.80

Finding the Fourth Proportional to 74,886,680.40, 112,330,020.60 and 61,281,790.80

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Solution

The fourth proportional to 74,886,680.40, 112,330,020.60 and 61,281,790.80 is: 91,922,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886,680.40 : 112,330,020.60 = 61,281,790.80 : x
  2. Step 2: Convert to fraction form
    74,886,680.40/112,330,020.60 = 61,281,790.80/x
  3. Step 3: Cross multiply
    74,886,680.40x = 112,330,020.60 × 61,281,790.80
  4. Step 4: Simplify right side
    74,886,680.40x = 6,883,784,822,968,890
  5. Step 5: Solve for x
    x = 6,883,784,822,968,890/74,886,680.40
  6. Step 6: Final answer
    x = 91,922,686.20

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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.