Home / 99,668,767.80-149,503,151.70-61,205,561.40

Finding the Fourth Proportional to 99,668,767.80, 149,503,151.70 and 61,205,561.40

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Solution

The fourth proportional to 99,668,767.80, 149,503,151.70 and 61,205,561.40 is: 91,808,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668,767.80 : 149,503,151.70 = 61,205,561.40 : x
  2. Step 2: Convert to fraction form
    99,668,767.80/149,503,151.70 = 61,205,561.40/x
  3. Step 3: Cross multiply
    99,668,767.80x = 149,503,151.70 × 61,205,561.40
  4. Step 4: Simplify right side
    99,668,767.80x = 9,150,424,330,867,864
  5. Step 5: Solve for x
    x = 9,150,424,330,867,864/99,668,767.80
  6. Step 6: Final answer
    x = 91,808,342.10

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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.