Home / 142,164,711.14-213,255,043.72-39,920,777.16

Finding the Fourth Proportional to 142,164,711.14, 213,255,043.72 and 39,920,777.16

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Solution

The fourth proportional to 142,164,711.14, 213,255,043.72 and 39,920,777.16 is: 59,883,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,711.14 : 213,255,043.72 = 39,920,777.16 : x
  2. Step 2: Convert to fraction form
    142,164,711.14/213,255,043.72 = 39,920,777.16/x
  3. Step 3: Cross multiply
    142,164,711.14x = 213,255,043.72 × 39,920,777.16
  4. Step 4: Simplify right side
    142,164,711.14x = 8,513,307,078,592,177
  5. Step 5: Solve for x
    x = 8,513,307,078,592,177/142,164,711.14
  6. Step 6: Final answer
    x = 59,883,405.74

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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.