Home / 142,164,709.14-213,255,040.71-39,920,775.15

Finding the Fourth Proportional to 142,164,709.14, 213,255,040.71 and 39,920,775.15

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Solution

The fourth proportional to 142,164,709.14, 213,255,040.71 and 39,920,775.15 is: 59,883,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,709.14 : 213,255,040.71 = 39,920,775.15 : x
  2. Step 2: Convert to fraction form
    142,164,709.14/213,255,040.71 = 39,920,775.15/x
  3. Step 3: Cross multiply
    142,164,709.14x = 213,255,040.71 × 39,920,775.15
  4. Step 4: Simplify right side
    142,164,709.14x = 8,513,306,529,788,006
  5. Step 5: Solve for x
    x = 8,513,306,529,788,006/142,164,709.14
  6. Step 6: Final answer
    x = 59,883,402.72

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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.