Home / 278,326,428.26-384,079,947.82-154,575,077.00

Finding the Fourth Proportional to 278,326,428.26, 384,079,947.82 and 154,575,077.00

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Solution

The fourth proportional to 278,326,428.26, 384,079,947.82 and 154,575,077.00 is: 213,307,761.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,326,428.26 : 384,079,947.82 = 154,575,077.00 : x
  2. Step 2: Convert to fraction form
    278,326,428.26/384,079,947.82 = 154,575,077.00/x
  3. Step 3: Cross multiply
    278,326,428.26x = 384,079,947.82 × 154,575,077.00
  4. Step 4: Simplify right side
    278,326,428.26x = 59,369,187,506,991,808
  5. Step 5: Solve for x
    x = 59,369,187,506,991,808/278,326,428.26
  6. Step 6: Final answer
    x = 213,307,761.96

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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.