Home / 77,666,813.90-116,574,870.45-39,371,569.10

Finding the Fourth Proportional to 77,666,813.90, 116,574,870.45 and 39,371,569.10

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Solution

The fourth proportional to 77,666,813.90, 116,574,870.45 and 39,371,569.10 is: 59,095,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,666,813.90 : 116,574,870.45 = 39,371,569.10 : x
  2. Step 2: Convert to fraction form
    77,666,813.90/116,574,870.45 = 39,371,569.10/x
  3. Step 3: Cross multiply
    77,666,813.90x = 116,574,870.45 × 39,371,569.10
  4. Step 4: Simplify right side
    77,666,813.90x = 4,589,735,567,245,723
  5. Step 5: Solve for x
    x = 4,589,735,567,245,723/77,666,813.90
  6. Step 6: Final answer
    x = 59,095,195.71

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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.