Home / 253,411,304.85-349,707,603.47-137,517,800.85

Finding the Fourth Proportional to 253,411,304.85, 349,707,603.47 and 137,517,800.85

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Solution

The fourth proportional to 253,411,304.85, 349,707,603.47 and 137,517,800.85 is: 189,774,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,411,304.85 : 349,707,603.47 = 137,517,800.85 : x
  2. Step 2: Convert to fraction form
    253,411,304.85/349,707,603.47 = 137,517,800.85/x
  3. Step 3: Cross multiply
    253,411,304.85x = 349,707,603.47 × 137,517,800.85
  4. Step 4: Simplify right side
    253,411,304.85x = 48,091,020,569,030,632
  5. Step 5: Solve for x
    x = 48,091,020,569,030,632/253,411,304.85
  6. Step 6: Final answer
    x = 189,774,566.68

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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.