Home / 207,793,611.40-311,484,839.10-98,426,552.80

Finding the Fourth Proportional to 207,793,611.40, 311,484,839.10 and 98,426,552.80

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Solution

The fourth proportional to 207,793,611.40, 311,484,839.10 and 98,426,552.80 is: 147,542,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,793,611.40 : 311,484,839.10 = 98,426,552.80 : x
  2. Step 2: Convert to fraction form
    207,793,611.40/311,484,839.10 = 98,426,552.80/x
  3. Step 3: Cross multiply
    207,793,611.40x = 311,484,839.10 × 98,426,552.80
  4. Step 4: Simplify right side
    207,793,611.40x = 30,658,378,962,075,656
  5. Step 5: Solve for x
    x = 30,658,378,962,075,656/207,793,611.40
  6. Step 6: Final answer
    x = 147,542,452.13

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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.