Home / 142,021,503.96-213,044,385.27-49,897,239.36

Finding the Fourth Proportional to 142,021,503.96, 213,044,385.27 and 49,897,239.36

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Solution

The fourth proportional to 142,021,503.96, 213,044,385.27 and 49,897,239.36 is: 74,850,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,021,503.96 : 213,044,385.27 = 49,897,239.36 : x
  2. Step 2: Convert to fraction form
    142,021,503.96/213,044,385.27 = 49,897,239.36/x
  3. Step 3: Cross multiply
    142,021,503.96x = 213,044,385.27 × 49,897,239.36
  4. Step 4: Simplify right side
    142,021,503.96x = 10,630,326,686,121,248
  5. Step 5: Solve for x
    x = 10,630,326,686,121,248/142,021,503.96
  6. Step 6: Final answer
    x = 74,850,120.51

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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.