Home / 51,042,492.60-76,619,726.10-31,894,870.20

Finding the Fourth Proportional to 51,042,492.60, 76,619,726.10 and 31,894,870.20

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Solution

The fourth proportional to 51,042,492.60, 76,619,726.10 and 31,894,870.20 is: 47,877,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,042,492.60 : 76,619,726.10 = 31,894,870.20 : x
  2. Step 2: Convert to fraction form
    51,042,492.60/76,619,726.10 = 31,894,870.20/x
  3. Step 3: Cross multiply
    51,042,492.60x = 76,619,726.10 × 31,894,870.20
  4. Step 4: Simplify right side
    51,042,492.60x = 2,443,776,218,719,052
  5. Step 5: Solve for x
    x = 2,443,776,218,719,052/51,042,492.60
  6. Step 6: Final answer
    x = 47,877,289.96

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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.