Home / 61,783,916.70-92,675,875.05-47,479,187.10

Finding the Fourth Proportional to 61,783,916.70, 92,675,875.05 and 47,479,187.10

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Solution

The fourth proportional to 61,783,916.70, 92,675,875.05 and 47,479,187.10 is: 71,218,780.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,783,916.70 : 92,675,875.05 = 47,479,187.10 : x
  2. Step 2: Convert to fraction form
    61,783,916.70/92,675,875.05 = 47,479,187.10/x
  3. Step 3: Cross multiply
    61,783,916.70x = 92,675,875.05 × 47,479,187.10
  4. Step 4: Simplify right side
    61,783,916.70x = 4,400,175,211,155,172
  5. Step 5: Solve for x
    x = 4,400,175,211,155,172/61,783,916.70
  6. Step 6: Final answer
    x = 71,218,780.65

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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.