Home / 208,045,252.80-312,082,440.86-83,547,862.54

Finding the Fourth Proportional to 208,045,252.80, 312,082,440.86 and 83,547,862.54

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Solution

The fourth proportional to 208,045,252.80, 312,082,440.86 and 83,547,862.54 is: 125,327,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,045,252.80 : 312,082,440.86 = 83,547,862.54 : x
  2. Step 2: Convert to fraction form
    208,045,252.80/312,082,440.86 = 83,547,862.54/x
  3. Step 3: Cross multiply
    208,045,252.80x = 312,082,440.86 × 83,547,862.54
  4. Step 4: Simplify right side
    208,045,252.80x = 26,073,820,868,921,012
  5. Step 5: Solve for x
    x = 26,073,820,868,921,012/208,045,252.80
  6. Step 6: Final answer
    x = 125,327,641.55

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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.