Home / 170,424,043.20-255,636,064.80-105,517,382.40

Finding the Fourth Proportional to 170,424,043.20, 255,636,064.80 and 105,517,382.40

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Solution

The fourth proportional to 170,424,043.20, 255,636,064.80 and 105,517,382.40 is: 158,276,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,424,043.20 : 255,636,064.80 = 105,517,382.40 : x
  2. Step 2: Convert to fraction form
    170,424,043.20/255,636,064.80 = 105,517,382.40/x
  3. Step 3: Cross multiply
    170,424,043.20x = 255,636,064.80 × 105,517,382.40
  4. Step 4: Simplify right side
    170,424,043.20x = 26,974,048,404,732,784
  5. Step 5: Solve for x
    x = 26,974,048,404,732,784/170,424,043.20
  6. Step 6: Final answer
    x = 158,276,073.60

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1.5x scale

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.