Home / 43,290,307.80-64,935,461.70-39,385,200.60

Finding the Fourth Proportional to 43,290,307.80, 64,935,461.70 and 39,385,200.60

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Solution

The fourth proportional to 43,290,307.80, 64,935,461.70 and 39,385,200.60 is: 59,077,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290,307.80 : 64,935,461.70 = 39,385,200.60 : x
  2. Step 2: Convert to fraction form
    43,290,307.80/64,935,461.70 = 39,385,200.60/x
  3. Step 3: Cross multiply
    43,290,307.80x = 64,935,461.70 × 39,385,200.60
  4. Step 4: Simplify right side
    43,290,307.80x = 2,557,496,185,108,117
  5. Step 5: Solve for x
    x = 2,557,496,185,108,117/43,290,307.80
  6. Step 6: Final answer
    x = 59,077,800.90

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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.