Home / 142,164,706.14-213,255,036.21-39,920,772.15

Finding the Fourth Proportional to 142,164,706.14, 213,255,036.21 and 39,920,772.15

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Solution

The fourth proportional to 142,164,706.14, 213,255,036.21 and 39,920,772.15 is: 59,883,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,706.14 : 213,255,036.21 = 39,920,772.15 : x
  2. Step 2: Convert to fraction form
    142,164,706.14/213,255,036.21 = 39,920,772.15/x
  3. Step 3: Cross multiply
    142,164,706.14x = 213,255,036.21 × 39,920,772.15
  4. Step 4: Simplify right side
    142,164,706.14x = 8,513,305,710,379,410
  5. Step 5: Solve for x
    x = 8,513,305,710,379,410/142,164,706.14
  6. Step 6: Final answer
    x = 59,883,398.22

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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.