Home / 70,328,971.59-97,023,064.97-42,436,123.95

Finding the Fourth Proportional to 70,328,971.59, 97,023,064.97 and 42,436,123.95

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Solution

The fourth proportional to 70,328,971.59, 97,023,064.97 and 42,436,123.95 is: 58,543,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,328,971.59 : 97,023,064.97 = 42,436,123.95 : x
  2. Step 2: Convert to fraction form
    70,328,971.59/97,023,064.97 = 42,436,123.95/x
  3. Step 3: Cross multiply
    70,328,971.59x = 97,023,064.97 × 42,436,123.95
  4. Step 4: Simplify right side
    70,328,971.59x = 4,117,282,810,863,643
  5. Step 5: Solve for x
    x = 4,117,282,810,863,643/70,328,971.59
  6. Step 6: Final answer
    x = 58,543,196.61

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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.