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Finding the Fourth Proportional to 52,145,808.40, 73,155,297.20 and 52,145,808.40

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Solution

The fourth proportional to 52,145,808.40, 73,155,297.20 and 52,145,808.40 is: 73,155,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145,808.40 : 73,155,297.20 = 52,145,808.40 : x
  2. Step 2: Convert to fraction form
    52,145,808.40/73,155,297.20 = 52,145,808.40/x
  3. Step 3: Cross multiply
    52,145,808.40x = 73,155,297.20 × 52,145,808.40
  4. Step 4: Simplify right side
    52,145,808.40x = 3,814,742,111,236,256.50
  5. Step 5: Solve for x
    x = 3,814,742,111,236,256.50/52,145,808.40
  6. Step 6: Final answer
    x = 73,155,297.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.