Home / 47,290,374.20-70,935,561.30-31,134,567.80

Finding the Fourth Proportional to 47,290,374.20, 70,935,561.30 and 31,134,567.80

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Solution

The fourth proportional to 47,290,374.20, 70,935,561.30 and 31,134,567.80 is: 46,701,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,290,374.20 : 70,935,561.30 = 31,134,567.80 : x
  2. Step 2: Convert to fraction form
    47,290,374.20/70,935,561.30 = 31,134,567.80/x
  3. Step 3: Cross multiply
    47,290,374.20x = 70,935,561.30 × 31,134,567.80
  4. Step 4: Simplify right side
    47,290,374.20x = 2,208,548,042,725,906
  5. Step 5: Solve for x
    x = 2,208,548,042,725,906/47,290,374.20
  6. Step 6: Final answer
    x = 46,701,851.70

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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.