Home / 341,491,973.20-512,252,129.40-99,154,877.20

Finding the Fourth Proportional to 341,491,973.20, 512,252,129.40 and 99,154,877.20

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Solution

The fourth proportional to 341,491,973.20, 512,252,129.40 and 99,154,877.20 is: 148,736,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,491,973.20 : 512,252,129.40 = 99,154,877.20 : x
  2. Step 2: Convert to fraction form
    341,491,973.20/512,252,129.40 = 99,154,877.20/x
  3. Step 3: Cross multiply
    341,491,973.20x = 512,252,129.40 × 99,154,877.20
  4. Step 4: Simplify right side
    341,491,973.20x = 50,792,296,986,095,512
  5. Step 5: Solve for x
    x = 50,792,296,986,095,512/341,491,973.20
  6. Step 6: Final answer
    x = 148,736,430.05

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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.