Home / 51,068,007.60-76,602,011.40-31,920,385.20

Finding the Fourth Proportional to 51,068,007.60, 76,602,011.40 and 31,920,385.20

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Solution

The fourth proportional to 51,068,007.60, 76,602,011.40 and 31,920,385.20 is: 47,880,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,068,007.60 : 76,602,011.40 = 31,920,385.20 : x
  2. Step 2: Convert to fraction form
    51,068,007.60/76,602,011.40 = 31,920,385.20/x
  3. Step 3: Cross multiply
    51,068,007.60x = 76,602,011.40 × 31,920,385.20
  4. Step 4: Simplify right side
    51,068,007.60x = 2,445,165,710,982,791.50
  5. Step 5: Solve for x
    x = 2,445,165,710,982,791.50/51,068,007.60
  6. Step 6: Final answer
    x = 47,880,577.80

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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.