Home / 85,880,193.60-128,776,161.60-25,288,046.40

Finding the Fourth Proportional to 85,880,193.60, 128,776,161.60 and 25,288,046.40

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Solution

The fourth proportional to 85,880,193.60, 128,776,161.60 and 25,288,046.40 is: 37,919,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,880,193.60 : 128,776,161.60 = 25,288,046.40 : x
  2. Step 2: Convert to fraction form
    85,880,193.60/128,776,161.60 = 25,288,046.40/x
  3. Step 3: Cross multiply
    85,880,193.60x = 128,776,161.60 × 25,288,046.40
  4. Step 4: Simplify right side
    85,880,193.60x = 3,256,497,549,754,698
  5. Step 5: Solve for x
    x = 3,256,497,549,754,698/85,880,193.60
  6. Step 6: Final answer
    x = 37,919,075.55

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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.