Home / 66,436,428.80-99,654,643.20-59,740,272.20

Finding the Fourth Proportional to 66,436,428.80, 99,654,643.20 and 59,740,272.20

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Solution

The fourth proportional to 66,436,428.80, 99,654,643.20 and 59,740,272.20 is: 89,610,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436,428.80 : 99,654,643.20 = 59,740,272.20 : x
  2. Step 2: Convert to fraction form
    66,436,428.80/99,654,643.20 = 59,740,272.20/x
  3. Step 3: Cross multiply
    66,436,428.80x = 99,654,643.20 × 59,740,272.20
  4. Step 4: Simplify right side
    66,436,428.80x = 5,953,395,510,761,880
  5. Step 5: Solve for x
    x = 5,953,395,510,761,880/66,436,428.80
  6. Step 6: Final answer
    x = 89,610,408.30

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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.