Home / 69,020,949,841.20-103,531,424,761.80-35,547,819,591.60

Finding the Fourth Proportional to 69,020,949,841.20, 103,531,424,761.80 and 35,547,819,591.60

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Solution

The fourth proportional to 69,020,949,841.20, 103,531,424,761.80 and 35,547,819,591.60 is: 53,321,729,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,020,949,841.20 : 103,531,424,761.80 = 35,547,819,591.60 : x
  2. Step 2: Convert to fraction form
    69,020,949,841.20/103,531,424,761.80 = 35,547,819,591.60/x
  3. Step 3: Cross multiply
    69,020,949,841.20x = 103,531,424,761.80 × 35,547,819,591.60
  4. Step 4: Simplify right side
    69,020,949,841.20x = 3,680,316,409,493,775,187,968
  5. Step 5: Solve for x
    x = 3,680,316,409,493,775,187,968/69,020,949,841.20
  6. Step 6: Final answer
    x = 53,321,729,387.40

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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.