Home / 66,439,013.80-99,658,520.70-30,607,205.80

Finding the Fourth Proportional to 66,439,013.80, 99,658,520.70 and 30,607,205.80

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Solution

The fourth proportional to 66,439,013.80, 99,658,520.70 and 30,607,205.80 is: 45,910,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439,013.80 : 99,658,520.70 = 30,607,205.80 : x
  2. Step 2: Convert to fraction form
    66,439,013.80/99,658,520.70 = 30,607,205.80/x
  3. Step 3: Cross multiply
    66,439,013.80x = 99,658,520.70 × 30,607,205.80
  4. Step 4: Simplify right side
    66,439,013.80x = 3,050,268,852,788,460
  5. Step 5: Solve for x
    x = 3,050,268,852,788,460/66,439,013.80
  6. Step 6: Final answer
    x = 45,910,808.70

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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.