Home / 85,880,202.60-128,776,175.10-25,288,055.40

Finding the Fourth Proportional to 85,880,202.60, 128,776,175.10 and 25,288,055.40

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Solution

The fourth proportional to 85,880,202.60, 128,776,175.10 and 25,288,055.40 is: 37,919,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,880,202.60 : 128,776,175.10 = 25,288,055.40 : x
  2. Step 2: Convert to fraction form
    85,880,202.60/128,776,175.10 = 25,288,055.40/x
  3. Step 3: Cross multiply
    85,880,202.60x = 128,776,175.10 × 25,288,055.40
  4. Step 4: Simplify right side
    85,880,202.60x = 3,256,499,050,128,900
  5. Step 5: Solve for x
    x = 3,256,499,050,128,900/85,880,202.60
  6. Step 6: Final answer
    x = 37,919,089.05

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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.