Home / 66,050,105.60-99,090,904.80-31,943,403.20

Finding the Fourth Proportional to 66,050,105.60, 99,090,904.80 and 31,943,403.20

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Solution

The fourth proportional to 66,050,105.60, 99,090,904.80 and 31,943,403.20 is: 47,922,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050,105.60 : 99,090,904.80 = 31,943,403.20 : x
  2. Step 2: Convert to fraction form
    66,050,105.60/99,090,904.80 = 31,943,403.20/x
  3. Step 3: Cross multiply
    66,050,105.60x = 99,090,904.80 × 31,943,403.20
  4. Step 4: Simplify right side
    66,050,105.60x = 3,165,300,725,479,215
  5. Step 5: Solve for x
    x = 3,165,300,725,479,215/66,050,105.60
  6. Step 6: Final answer
    x = 47,922,720.13

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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.