Home / 66,438,637.80-99,657,956.70-30,606,829.80

Finding the Fourth Proportional to 66,438,637.80, 99,657,956.70 and 30,606,829.80

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Solution

The fourth proportional to 66,438,637.80, 99,657,956.70 and 30,606,829.80 is: 45,910,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,438,637.80 : 99,657,956.70 = 30,606,829.80 : x
  2. Step 2: Convert to fraction form
    66,438,637.80/99,657,956.70 = 30,606,829.80/x
  3. Step 3: Cross multiply
    66,438,637.80x = 99,657,956.70 × 30,606,829.80
  4. Step 4: Simplify right side
    66,438,637.80x = 3,050,214,118,932,670
  5. Step 5: Solve for x
    x = 3,050,214,118,932,670/66,438,637.80
  6. Step 6: Final answer
    x = 45,910,244.70

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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.