Home / 66,341,461.20-99,556,428.60-30,421,179.60

Finding the Fourth Proportional to 66,341,461.20, 99,556,428.60 and 30,421,179.60

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Solution

The fourth proportional to 66,341,461.20, 99,556,428.60 and 30,421,179.60 is: 45,652,054.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,341,461.20 : 99,556,428.60 = 30,421,179.60 : x
  2. Step 2: Convert to fraction form
    66,341,461.20/99,556,428.60 = 30,421,179.60/x
  3. Step 3: Cross multiply
    66,341,461.20x = 99,556,428.60 × 30,421,179.60
  4. Step 4: Simplify right side
    66,341,461.20x = 3,028,623,994,775,176.50
  5. Step 5: Solve for x
    x = 3,028,623,994,775,176.50/66,341,461.20
  6. Step 6: Final answer
    x = 45,652,054.39

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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.