Home / 57,243,595.20-85,964,925.60-30,369,739.20

Finding the Fourth Proportional to 57,243,595.20, 85,964,925.60 and 30,369,739.20

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Solution

The fourth proportional to 57,243,595.20, 85,964,925.60 and 30,369,739.20 is: 45,607,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,243,595.20 : 85,964,925.60 = 30,369,739.20 : x
  2. Step 2: Convert to fraction form
    57,243,595.20/85,964,925.60 = 30,369,739.20/x
  3. Step 3: Cross multiply
    57,243,595.20x = 85,964,925.60 × 30,369,739.20
  4. Step 4: Simplify right side
    57,243,595.20x = 2,610,732,370,819,403.50
  5. Step 5: Solve for x
    x = 2,610,732,370,819,403.50/57,243,595.20
  6. Step 6: Final answer
    x = 45,607,414.45

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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.