Home / 97,724,806.80-146,587,210.20-91,678,189.20

Finding the Fourth Proportional to 97,724,806.80, 146,587,210.20 and 91,678,189.20

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Solution

The fourth proportional to 97,724,806.80, 146,587,210.20 and 91,678,189.20 is: 137,517,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,724,806.80 : 146,587,210.20 = 91,678,189.20 : x
  2. Step 2: Convert to fraction form
    97,724,806.80/146,587,210.20 = 91,678,189.20/x
  3. Step 3: Cross multiply
    97,724,806.80x = 146,587,210.20 × 91,678,189.20
  4. Step 4: Simplify right side
    97,724,806.80x = 13,438,849,991,015,770
  5. Step 5: Solve for x
    x = 13,438,849,991,015,770/97,724,806.80
  6. Step 6: Final answer
    x = 137,517,283.80

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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.