Home / 53,145,087.60-79,717,631.40-40,296,025.20

Finding the Fourth Proportional to 53,145,087.60, 79,717,631.40 and 40,296,025.20

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Solution

The fourth proportional to 53,145,087.60, 79,717,631.40 and 40,296,025.20 is: 60,444,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145,087.60 : 79,717,631.40 = 40,296,025.20 : x
  2. Step 2: Convert to fraction form
    53,145,087.60/79,717,631.40 = 40,296,025.20/x
  3. Step 3: Cross multiply
    53,145,087.60x = 79,717,631.40 × 40,296,025.20
  4. Step 4: Simplify right side
    53,145,087.60x = 3,212,303,683,778,712
  5. Step 5: Solve for x
    x = 3,212,303,683,778,712/53,145,087.60
  6. Step 6: Final answer
    x = 60,444,037.80

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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.