Home / 60,189,897.84-90,131,578.92-39,657,368.54

Finding the Fourth Proportional to 60,189,897.84, 90,131,578.92 and 39,657,368.54

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Solution

The fourth proportional to 60,189,897.84, 90,131,578.92 and 39,657,368.54 is: 59,385,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,189,897.84 : 90,131,578.92 = 39,657,368.54 : x
  2. Step 2: Convert to fraction form
    60,189,897.84/90,131,578.92 = 39,657,368.54/x
  3. Step 3: Cross multiply
    60,189,897.84x = 90,131,578.92 × 39,657,368.54
  4. Step 4: Simplify right side
    60,189,897.84x = 3,574,381,242,322,535
  5. Step 5: Solve for x
    x = 3,574,381,242,322,535/60,189,897.84
  6. Step 6: Final answer
    x = 59,385,069.10

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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.