Home / 56,295,948.70-77,697,704.48-38,640,346.91

Finding the Fourth Proportional to 56,295,948.70, 77,697,704.48 and 38,640,346.91

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Solution

The fourth proportional to 56,295,948.70, 77,697,704.48 and 38,640,346.91 is: 53,330,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,295,948.70 : 77,697,704.48 = 38,640,346.91 : x
  2. Step 2: Convert to fraction form
    56,295,948.70/77,697,704.48 = 38,640,346.91/x
  3. Step 3: Cross multiply
    56,295,948.70x = 77,697,704.48 × 38,640,346.91
  4. Step 4: Simplify right side
    56,295,948.70x = 3,002,266,255,089,935.50
  5. Step 5: Solve for x
    x = 3,002,266,255,089,935.50/56,295,948.70
  6. Step 6: Final answer
    x = 53,330,058.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.