Home / 239,154,145.20-358,731,217.80-181,333,364.40

Finding the Fourth Proportional to 239,154,145.20, 358,731,217.80 and 181,333,364.40

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Solution

The fourth proportional to 239,154,145.20, 358,731,217.80 and 181,333,364.40 is: 272,000,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,154,145.20 : 358,731,217.80 = 181,333,364.40 : x
  2. Step 2: Convert to fraction form
    239,154,145.20/358,731,217.80 = 181,333,364.40/x
  3. Step 3: Cross multiply
    239,154,145.20x = 358,731,217.80 × 181,333,364.40
  4. Step 4: Simplify right side
    239,154,145.20x = 65,049,938,638,983,168
  5. Step 5: Solve for x
    x = 65,049,938,638,983,168/239,154,145.20
  6. Step 6: Final answer
    x = 272,000,046.60

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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.