Home / 143,863,901.60-215,795,852.40-52,975,680.80

Finding the Fourth Proportional to 143,863,901.60, 215,795,852.40 and 52,975,680.80

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Solution

The fourth proportional to 143,863,901.60, 215,795,852.40 and 52,975,680.80 is: 79,463,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,863,901.60 : 215,795,852.40 = 52,975,680.80 : x
  2. Step 2: Convert to fraction form
    143,863,901.60/215,795,852.40 = 52,975,680.80/x
  3. Step 3: Cross multiply
    143,863,901.60x = 215,795,852.40 × 52,975,680.80
  4. Step 4: Simplify right side
    143,863,901.60x = 11,431,932,194,706,314
  5. Step 5: Solve for x
    x = 11,431,932,194,706,314/143,863,901.60
  6. Step 6: Final answer
    x = 79,463,521.20

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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.