Home / 66,334,231.40-99,501,347.10-43,375,980.20

Finding the Fourth Proportional to 66,334,231.40, 99,501,347.10 and 43,375,980.20

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Solution

The fourth proportional to 66,334,231.40, 99,501,347.10 and 43,375,980.20 is: 65,063,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,334,231.40 : 99,501,347.10 = 43,375,980.20 : x
  2. Step 2: Convert to fraction form
    66,334,231.40/99,501,347.10 = 43,375,980.20/x
  3. Step 3: Cross multiply
    66,334,231.40x = 99,501,347.10 × 43,375,980.20
  4. Step 4: Simplify right side
    66,334,231.40x = 4,315,968,461,682,927.50
  5. Step 5: Solve for x
    x = 4,315,968,461,682,927.50/66,334,231.40
  6. Step 6: Final answer
    x = 65,063,970.30

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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.