Home / 70,328,973.09-97,023,067.04-42,436,125.45

Finding the Fourth Proportional to 70,328,973.09, 97,023,067.04 and 42,436,125.45

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Solution

The fourth proportional to 70,328,973.09, 97,023,067.04 and 42,436,125.45 is: 58,543,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,328,973.09 : 97,023,067.04 = 42,436,125.45 : x
  2. Step 2: Convert to fraction form
    70,328,973.09/97,023,067.04 = 42,436,125.45/x
  3. Step 3: Cross multiply
    70,328,973.09x = 97,023,067.04 × 42,436,125.45
  4. Step 4: Simplify right side
    70,328,973.09x = 4,117,283,044,241,019.50
  5. Step 5: Solve for x
    x = 4,117,283,044,241,019.50/70,328,973.09
  6. Step 6: Final answer
    x = 58,543,198.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.