Home / 208,086,931.46-287,159,865.55-124,455,060.62

Finding the Fourth Proportional to 208,086,931.46, 287,159,865.55 and 124,455,060.62

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Solution

The fourth proportional to 208,086,931.46, 287,159,865.55 and 124,455,060.62 is: 171,747,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,086,931.46 : 287,159,865.55 = 124,455,060.62 : x
  2. Step 2: Convert to fraction form
    208,086,931.46/287,159,865.55 = 124,455,060.62/x
  3. Step 3: Cross multiply
    208,086,931.46x = 287,159,865.55 × 124,455,060.62
  4. Step 4: Simplify right side
    208,086,931.46x = 35,738,498,475,063,064
  5. Step 5: Solve for x
    x = 35,738,498,475,063,064/208,086,931.46
  6. Step 6: Final answer
    x = 171,747,923.93

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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.