Home / 191,653,606.80-287,480,410.20-137,234,048.40

Finding the Fourth Proportional to 191,653,606.80, 287,480,410.20 and 137,234,048.40

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Solution

The fourth proportional to 191,653,606.80, 287,480,410.20 and 137,234,048.40 is: 205,851,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,653,606.80 : 287,480,410.20 = 137,234,048.40 : x
  2. Step 2: Convert to fraction form
    191,653,606.80/287,480,410.20 = 137,234,048.40/x
  3. Step 3: Cross multiply
    191,653,606.80x = 287,480,410.20 × 137,234,048.40
  4. Step 4: Simplify right side
    191,653,606.80x = 39,452,100,527,438,656
  5. Step 5: Solve for x
    x = 39,452,100,527,438,656/191,653,606.80
  6. Step 6: Final answer
    x = 205,851,072.60

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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.