Home / 142,164,712.14-213,255,045.22-39,920,778.16

Finding the Fourth Proportional to 142,164,712.14, 213,255,045.22 and 39,920,778.16

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Solution

The fourth proportional to 142,164,712.14, 213,255,045.22 and 39,920,778.16 is: 59,883,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,712.14 : 213,255,045.22 = 39,920,778.16 : x
  2. Step 2: Convert to fraction form
    142,164,712.14/213,255,045.22 = 39,920,778.16/x
  3. Step 3: Cross multiply
    142,164,712.14x = 213,255,045.22 × 39,920,778.16
  4. Step 4: Simplify right side
    142,164,712.14x = 8,513,307,351,728,388
  5. Step 5: Solve for x
    x = 8,513,307,351,728,388/142,164,712.14
  6. Step 6: Final answer
    x = 59,883,407.24

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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.