Home / 66,436,615.40-99,561,611.10-52,813,063.40

Finding the Fourth Proportional to 66,436,615.40, 99,561,611.10 and 52,813,063.40

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Solution

The fourth proportional to 66,436,615.40, 99,561,611.10 and 52,813,063.40 is: 79,145,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436,615.40 : 99,561,611.10 = 52,813,063.40 : x
  2. Step 2: Convert to fraction form
    66,436,615.40/99,561,611.10 = 52,813,063.40/x
  3. Step 3: Cross multiply
    66,436,615.40x = 99,561,611.10 × 52,813,063.40
  4. Step 4: Simplify right side
    66,436,615.40x = 5,258,153,679,230,443
  5. Step 5: Solve for x
    x = 5,258,153,679,230,443/66,436,615.40
  6. Step 6: Final answer
    x = 79,145,417.74

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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.