Home / 293,419,599.20-439,849,462.80-109,137,730.40

Finding the Fourth Proportional to 293,419,599.20, 439,849,462.80 and 109,137,730.40

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Solution

The fourth proportional to 293,419,599.20, 439,849,462.80 and 109,137,730.40 is: 163,602,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,419,599.20 : 439,849,462.80 = 109,137,730.40 : x
  2. Step 2: Convert to fraction form
    293,419,599.20/439,849,462.80 = 109,137,730.40/x
  3. Step 3: Cross multiply
    293,419,599.20x = 439,849,462.80 × 109,137,730.40
  4. Step 4: Simplify right side
    293,419,599.20x = 48,004,172,087,651,232
  5. Step 5: Solve for x
    x = 48,004,172,087,651,232/293,419,599.20
  6. Step 6: Final answer
    x = 163,602,473.11

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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.