Home / 66,430,228.80-99,645,343.20-52,559,618.70

Finding the Fourth Proportional to 66,430,228.80, 99,645,343.20 and 52,559,618.70

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Solution

The fourth proportional to 66,430,228.80, 99,645,343.20 and 52,559,618.70 is: 78,839,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,228.80 : 99,645,343.20 = 52,559,618.70 : x
  2. Step 2: Convert to fraction form
    66,430,228.80/99,645,343.20 = 52,559,618.70/x
  3. Step 3: Cross multiply
    66,430,228.80x = 99,645,343.20 × 52,559,618.70
  4. Step 4: Simplify right side
    66,430,228.80x = 5,237,321,243,822,638
  5. Step 5: Solve for x
    x = 5,237,321,243,822,638/66,430,228.80
  6. Step 6: Final answer
    x = 78,839,428.05

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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.