Home / 143,863,901.10-215,795,851.65-52,975,680.30

Finding the Fourth Proportional to 143,863,901.10, 215,795,851.65 and 52,975,680.30

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Solution

The fourth proportional to 143,863,901.10, 215,795,851.65 and 52,975,680.30 is: 79,463,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,863,901.10 : 215,795,851.65 = 52,975,680.30 : x
  2. Step 2: Convert to fraction form
    143,863,901.10/215,795,851.65 = 52,975,680.30/x
  3. Step 3: Cross multiply
    143,863,901.10x = 215,795,851.65 × 52,975,680.30
  4. Step 4: Simplify right side
    143,863,901.10x = 11,431,932,047,076,628
  5. Step 5: Solve for x
    x = 11,431,932,047,076,628/143,863,901.10
  6. Step 6: Final answer
    x = 79,463,520.45

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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.