Home / 101,066,810.75-139,472,619.14-54,657,064.68

Finding the Fourth Proportional to 101,066,810.75, 139,472,619.14 and 54,657,064.68

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Solution

The fourth proportional to 101,066,810.75, 139,472,619.14 and 54,657,064.68 is: 75,426,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066,810.75 : 139,472,619.14 = 54,657,064.68 : x
  2. Step 2: Convert to fraction form
    101,066,810.75/139,472,619.14 = 54,657,064.68/x
  3. Step 3: Cross multiply
    101,066,810.75x = 139,472,619.14 × 54,657,064.68
  4. Step 4: Simplify right side
    101,066,810.75x = 7,623,163,964,453,337
  5. Step 5: Solve for x
    x = 7,623,163,964,453,337/101,066,810.75
  6. Step 6: Final answer
    x = 75,426,976.55

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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.