Home / 85,509,408.40-128,264,112.60-24,927,110.80

Finding the Fourth Proportional to 85,509,408.40, 128,264,112.60 and 24,927,110.80

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Solution

The fourth proportional to 85,509,408.40, 128,264,112.60 and 24,927,110.80 is: 37,390,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,509,408.40 : 128,264,112.60 = 24,927,110.80 : x
  2. Step 2: Convert to fraction form
    85,509,408.40/128,264,112.60 = 24,927,110.80/x
  3. Step 3: Cross multiply
    85,509,408.40x = 128,264,112.60 × 24,927,110.80
  4. Step 4: Simplify right side
    85,509,408.40x = 3,197,253,746,443,876
  5. Step 5: Solve for x
    x = 3,197,253,746,443,876/85,509,408.40
  6. Step 6: Final answer
    x = 37,390,666.20

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1.5x scale

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.