Home / 163,364,964.30-245,047,446.45-126,376,670.70

Finding the Fourth Proportional to 163,364,964.30, 245,047,446.45 and 126,376,670.70

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Solution

The fourth proportional to 163,364,964.30, 245,047,446.45 and 126,376,670.70 is: 189,565,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,364,964.30 : 245,047,446.45 = 126,376,670.70 : x
  2. Step 2: Convert to fraction form
    163,364,964.30/245,047,446.45 = 126,376,670.70/x
  3. Step 3: Cross multiply
    163,364,964.30x = 245,047,446.45 × 126,376,670.70
  4. Step 4: Simplify right side
    163,364,964.30x = 30,968,280,445,887,532
  5. Step 5: Solve for x
    x = 30,968,280,445,887,532/163,364,964.30
  6. Step 6: Final answer
    x = 189,565,006.05

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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.