Home / 99,660,062.40-149,490,093.60-54,310,430.40

Finding the Fourth Proportional to 99,660,062.40, 149,490,093.60 and 54,310,430.40

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Solution

The fourth proportional to 99,660,062.40, 149,490,093.60 and 54,310,430.40 is: 81,465,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,062.40 : 149,490,093.60 = 54,310,430.40 : x
  2. Step 2: Convert to fraction form
    99,660,062.40/149,490,093.60 = 54,310,430.40/x
  3. Step 3: Cross multiply
    99,660,062.40x = 149,490,093.60 × 54,310,430.40
  4. Step 4: Simplify right side
    99,660,062.40x = 8,118,871,323,952,285
  5. Step 5: Solve for x
    x = 8,118,871,323,952,285/99,660,062.40
  6. Step 6: Final answer
    x = 81,465,645.60

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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.