Home / 48,387,731,291.70-72,581,596,937.55-40,122,760,859.70

Finding the Fourth Proportional to 48,387,731,291.70, 72,581,596,937.55 and 40,122,760,859.70

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Solution

The fourth proportional to 48,387,731,291.70, 72,581,596,937.55 and 40,122,760,859.70 is: 60,184,141,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,731,291.70 : 72,581,596,937.55 = 40,122,760,859.70 : x
  2. Step 2: Convert to fraction form
    48,387,731,291.70/72,581,596,937.55 = 40,122,760,859.70/x
  3. Step 3: Cross multiply
    48,387,731,291.70x = 72,581,596,937.55 × 40,122,760,859.70
  4. Step 4: Simplify right side
    48,387,731,291.70x = 2,912,174,056,740,452,564,992
  5. Step 5: Solve for x
    x = 2,912,174,056,740,452,564,992/48,387,731,291.70
  6. Step 6: Final answer
    x = 60,184,141,289.55

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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.