Home / 60,440,320.80-90,467,587.80-47,685,736.80

Finding the Fourth Proportional to 60,440,320.80, 90,467,587.80 and 47,685,736.80

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Solution

The fourth proportional to 60,440,320.80, 90,467,587.80 and 47,685,736.80 is: 71,376,417.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,440,320.80 : 90,467,587.80 = 47,685,736.80 : x
  2. Step 2: Convert to fraction form
    60,440,320.80/90,467,587.80 = 47,685,736.80/x
  3. Step 3: Cross multiply
    60,440,320.80x = 90,467,587.80 × 47,685,736.80
  4. Step 4: Simplify right side
    60,440,320.80x = 4,314,013,580,761,690.50
  5. Step 5: Solve for x
    x = 4,314,013,580,761,690.50/60,440,320.80
  6. Step 6: Final answer
    x = 71,376,417.66

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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.