Home / 101,365,762.50-139,906,631.99-61,686,077.83

Finding the Fourth Proportional to 101,365,762.50, 139,906,631.99 and 61,686,077.83

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Solution

The fourth proportional to 101,365,762.50, 139,906,631.99 and 61,686,077.83 is: 85,140,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,365,762.50 : 139,906,631.99 = 61,686,077.83 : x
  2. Step 2: Convert to fraction form
    101,365,762.50/139,906,631.99 = 61,686,077.83/x
  3. Step 3: Cross multiply
    101,365,762.50x = 139,906,631.99 × 61,686,077.83
  4. Step 4: Simplify right side
    101,365,762.50x = 8,630,291,389,868,308
  5. Step 5: Solve for x
    x = 8,630,291,389,868,308/101,365,762.50
  6. Step 6: Final answer
    x = 85,140,102.31

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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.