Home / 61,111,312.75-84,318,849.65-38,776,155.17

Finding the Fourth Proportional to 61,111,312.75, 84,318,849.65 and 38,776,155.17

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Solution

The fourth proportional to 61,111,312.75, 84,318,849.65 and 38,776,155.17 is: 53,501,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,111,312.75 : 84,318,849.65 = 38,776,155.17 : x
  2. Step 2: Convert to fraction form
    61,111,312.75/84,318,849.65 = 38,776,155.17/x
  3. Step 3: Cross multiply
    61,111,312.75x = 84,318,849.65 × 38,776,155.17
  4. Step 4: Simplify right side
    61,111,312.75x = 3,269,560,797,459,646.50
  5. Step 5: Solve for x
    x = 3,269,560,797,459,646.50/61,111,312.75
  6. Step 6: Final answer
    x = 53,501,727.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.