Home / 101,440,276.36-139,975,771.40-56,788,693.48

Finding the Fourth Proportional to 101,440,276.36, 139,975,771.40 and 56,788,693.48

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Solution

The fourth proportional to 101,440,276.36, 139,975,771.40 and 56,788,693.48 is: 78,361,785.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,440,276.36 : 139,975,771.40 = 56,788,693.48 : x
  2. Step 2: Convert to fraction form
    101,440,276.36/139,975,771.40 = 56,788,693.48/x
  3. Step 3: Cross multiply
    101,440,276.36x = 139,975,771.40 × 56,788,693.48
  4. Step 4: Simplify right side
    101,440,276.36x = 7,949,041,176,661,150
  5. Step 5: Solve for x
    x = 7,949,041,176,661,150/101,440,276.36
  6. Step 6: Final answer
    x = 78,361,785.49

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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.