Home / 88,976,012.80-133,464,019.20-69,865,715.20

Finding the Fourth Proportional to 88,976,012.80, 133,464,019.20 and 69,865,715.20

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Solution

The fourth proportional to 88,976,012.80, 133,464,019.20 and 69,865,715.20 is: 104,798,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,976,012.80 : 133,464,019.20 = 69,865,715.20 : x
  2. Step 2: Convert to fraction form
    88,976,012.80/133,464,019.20 = 69,865,715.20/x
  3. Step 3: Cross multiply
    88,976,012.80x = 133,464,019.20 × 69,865,715.20
  4. Step 4: Simplify right side
    88,976,012.80x = 9,324,559,154,874,532
  5. Step 5: Solve for x
    x = 9,324,559,154,874,532/88,976,012.80
  6. Step 6: Final answer
    x = 104,798,572.80

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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.