Home / 42,707,569.80-64,061,354.70-42,309,438.60

Finding the Fourth Proportional to 42,707,569.80, 64,061,354.70 and 42,309,438.60

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Solution

The fourth proportional to 42,707,569.80, 64,061,354.70 and 42,309,438.60 is: 63,464,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,707,569.80 : 64,061,354.70 = 42,309,438.60 : x
  2. Step 2: Convert to fraction form
    42,707,569.80/64,061,354.70 = 42,309,438.60/x
  3. Step 3: Cross multiply
    42,707,569.80x = 64,061,354.70 × 42,309,438.60
  4. Step 4: Simplify right side
    42,707,569.80x = 2,710,399,953,312,471.50
  5. Step 5: Solve for x
    x = 2,710,399,953,312,471.50/42,707,569.80
  6. Step 6: Final answer
    x = 63,464,157.90

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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.