Home / 66,407,717.13-99,407,271.30-43,328,957.37

Finding the Fourth Proportional to 66,407,717.13, 99,407,271.30 and 43,328,957.37

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Solution

The fourth proportional to 66,407,717.13, 99,407,271.30 and 43,328,957.37 is: 64,860,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,407,717.13 : 99,407,271.30 = 43,328,957.37 : x
  2. Step 2: Convert to fraction form
    66,407,717.13/99,407,271.30 = 43,328,957.37/x
  3. Step 3: Cross multiply
    66,407,717.13x = 99,407,271.30 × 43,328,957.37
  4. Step 4: Simplify right side
    66,407,717.13x = 4,307,213,420,425,724
  5. Step 5: Solve for x
    x = 4,307,213,420,425,724/66,407,717.13
  6. Step 6: Final answer
    x = 64,860,133.83

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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.