Home / 141,177,956.98-194,830,306.29-78,456,698.77

Finding the Fourth Proportional to 141,177,956.98, 194,830,306.29 and 78,456,698.77

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Solution

The fourth proportional to 141,177,956.98, 194,830,306.29 and 78,456,698.77 is: 108,272,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,177,956.98 : 194,830,306.29 = 78,456,698.77 : x
  2. Step 2: Convert to fraction form
    141,177,956.98/194,830,306.29 = 78,456,698.77/x
  3. Step 3: Cross multiply
    141,177,956.98x = 194,830,306.29 × 78,456,698.77
  4. Step 4: Simplify right side
    141,177,956.98x = 15,285,742,651,861,364
  5. Step 5: Solve for x
    x = 15,285,742,651,861,364/141,177,956.98
  6. Step 6: Final answer
    x = 108,272,870.49

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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.