Home / 57,132,547.40-85,698,821.10-48,912,926.60

Finding the Fourth Proportional to 57,132,547.40, 85,698,821.10 and 48,912,926.60

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Solution

The fourth proportional to 57,132,547.40, 85,698,821.10 and 48,912,926.60 is: 73,369,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,132,547.40 : 85,698,821.10 = 48,912,926.60 : x
  2. Step 2: Convert to fraction form
    57,132,547.40/85,698,821.10 = 48,912,926.60/x
  3. Step 3: Cross multiply
    57,132,547.40x = 85,698,821.10 × 48,912,926.60
  4. Step 4: Simplify right side
    57,132,547.40x = 4,191,780,146,170,831
  5. Step 5: Solve for x
    x = 4,191,780,146,170,831/57,132,547.40
  6. Step 6: Final answer
    x = 73,369,389.90

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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.