Home / 57,132,565.40-85,698,848.10-48,912,944.60

Finding the Fourth Proportional to 57,132,565.40, 85,698,848.10 and 48,912,944.60

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Solution

The fourth proportional to 57,132,565.40, 85,698,848.10 and 48,912,944.60 is: 73,369,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,132,565.40 : 85,698,848.10 = 48,912,944.60 : x
  2. Step 2: Convert to fraction form
    57,132,565.40/85,698,848.10 = 48,912,944.60/x
  3. Step 3: Cross multiply
    57,132,565.40x = 85,698,848.10 × 48,912,944.60
  4. Step 4: Simplify right side
    57,132,565.40x = 4,191,783,009,399,115
  5. Step 5: Solve for x
    x = 4,191,783,009,399,115/57,132,565.40
  6. Step 6: Final answer
    x = 73,369,416.90

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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.