Home / 207,361,528.40-310,892,993.40-116,512,965.20

Finding the Fourth Proportional to 207,361,528.40, 310,892,993.40 and 116,512,965.20

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Solution

The fourth proportional to 207,361,528.40, 310,892,993.40 and 116,512,965.20 is: 174,685,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,361,528.40 : 310,892,993.40 = 116,512,965.20 : x
  2. Step 2: Convert to fraction form
    207,361,528.40/310,892,993.40 = 116,512,965.20/x
  3. Step 3: Cross multiply
    207,361,528.40x = 310,892,993.40 × 116,512,965.20
  4. Step 4: Simplify right side
    207,361,528.40x = 36,223,064,520,938,024
  5. Step 5: Solve for x
    x = 36,223,064,520,938,024/207,361,528.40
  6. Step 6: Final answer
    x = 174,685,559.08

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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.