Home / 129,762,005.20-194,643,007.80-114,645,461.20

Finding the Fourth Proportional to 129,762,005.20, 194,643,007.80 and 114,645,461.20

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Solution

The fourth proportional to 129,762,005.20, 194,643,007.80 and 114,645,461.20 is: 171,968,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,762,005.20 : 194,643,007.80 = 114,645,461.20 : x
  2. Step 2: Convert to fraction form
    129,762,005.20/194,643,007.80 = 114,645,461.20/x
  3. Step 3: Cross multiply
    129,762,005.20x = 194,643,007.80 × 114,645,461.20
  4. Step 4: Simplify right side
    129,762,005.20x = 22,314,937,398,586,200
  5. Step 5: Solve for x
    x = 22,314,937,398,586,200/129,762,005.20
  6. Step 6: Final answer
    x = 171,968,191.80

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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.