Home / 85,778,433.41-128,592,186.26-33,999,381.05

Finding the Fourth Proportional to 85,778,433.41, 128,592,186.26 and 33,999,381.05

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Solution

The fourth proportional to 85,778,433.41, 128,592,186.26 and 33,999,381.05 is: 50,969,160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,778,433.41 : 128,592,186.26 = 33,999,381.05 : x
  2. Step 2: Convert to fraction form
    85,778,433.41/128,592,186.26 = 33,999,381.05/x
  3. Step 3: Cross multiply
    85,778,433.41x = 128,592,186.26 × 33,999,381.05
  4. Step 4: Simplify right side
    85,778,433.41x = 4,372,054,739,893,356.50
  5. Step 5: Solve for x
    x = 4,372,054,739,893,356.50/85,778,433.41
  6. Step 6: Final answer
    x = 50,969,160.50

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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.