Home / 60,189,901.08-90,131,583.69-39,657,371.81

Finding the Fourth Proportional to 60,189,901.08, 90,131,583.69 and 39,657,371.81

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Solution

The fourth proportional to 60,189,901.08, 90,131,583.69 and 39,657,371.81 is: 59,385,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,189,901.08 : 90,131,583.69 = 39,657,371.81 : x
  2. Step 2: Convert to fraction form
    60,189,901.08/90,131,583.69 = 39,657,371.81/x
  3. Step 3: Cross multiply
    60,189,901.08x = 90,131,583.69 × 39,657,371.81
  4. Step 4: Simplify right side
    60,189,901.08x = 3,574,381,725,767,803.50
  5. Step 5: Solve for x
    x = 3,574,381,725,767,803.50/60,189,901.08
  6. Step 6: Final answer
    x = 59,385,073.93

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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.