Home / 66,429,869.80-99,644,804.70-35,818,868.20

Finding the Fourth Proportional to 66,429,869.80, 99,644,804.70 and 35,818,868.20

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Solution

The fourth proportional to 66,429,869.80, 99,644,804.70 and 35,818,868.20 is: 53,728,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,869.80 : 99,644,804.70 = 35,818,868.20 : x
  2. Step 2: Convert to fraction form
    66,429,869.80/99,644,804.70 = 35,818,868.20/x
  3. Step 3: Cross multiply
    66,429,869.80x = 99,644,804.70 × 35,818,868.20
  4. Step 4: Simplify right side
    66,429,869.80x = 3,569,164,126,364,041
  5. Step 5: Solve for x
    x = 3,569,164,126,364,041/66,429,869.80
  6. Step 6: Final answer
    x = 53,728,302.30

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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.