Home / 66,685,323.60-99,971,998.20-34,772,619.60

Finding the Fourth Proportional to 66,685,323.60, 99,971,998.20 and 34,772,619.60

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Solution

The fourth proportional to 66,685,323.60, 99,971,998.20 and 34,772,619.60 is: 52,129,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,685,323.60 : 99,971,998.20 = 34,772,619.60 : x
  2. Step 2: Convert to fraction form
    66,685,323.60/99,971,998.20 = 34,772,619.60/x
  3. Step 3: Cross multiply
    66,685,323.60x = 99,971,998.20 × 34,772,619.60
  4. Step 4: Simplify right side
    66,685,323.60x = 3,476,288,264,060,485
  5. Step 5: Solve for x
    x = 3,476,288,264,060,485/66,685,323.60
  6. Step 6: Final answer
    x = 52,129,735.25

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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.