Home / 131,487,138.06-197,257,607.73-45,214,340.46

Finding the Fourth Proportional to 131,487,138.06, 197,257,607.73 and 45,214,340.46

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Solution

The fourth proportional to 131,487,138.06, 197,257,607.73 and 45,214,340.46 is: 67,830,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,487,138.06 : 197,257,607.73 = 45,214,340.46 : x
  2. Step 2: Convert to fraction form
    131,487,138.06/197,257,607.73 = 45,214,340.46/x
  3. Step 3: Cross multiply
    131,487,138.06x = 197,257,607.73 × 45,214,340.46
  4. Step 4: Simplify right side
    131,487,138.06x = 8,918,872,634,229,347
  5. Step 5: Solve for x
    x = 8,918,872,634,229,347/131,487,138.06
  6. Step 6: Final answer
    x = 67,830,760.98

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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.