Home / 101,066,809.75-139,472,617.76-54,657,063.68

Finding the Fourth Proportional to 101,066,809.75, 139,472,617.76 and 54,657,063.68

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Solution

The fourth proportional to 101,066,809.75, 139,472,617.76 and 54,657,063.68 is: 75,426,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066,809.75 : 139,472,617.76 = 54,657,063.68 : x
  2. Step 2: Convert to fraction form
    101,066,809.75/139,472,617.76 = 54,657,063.68/x
  3. Step 3: Cross multiply
    101,066,809.75x = 139,472,617.76 × 54,657,063.68
  4. Step 4: Simplify right side
    101,066,809.75x = 7,623,163,749,553,970
  5. Step 5: Solve for x
    x = 7,623,163,749,553,970/101,066,809.75
  6. Step 6: Final answer
    x = 75,426,975.17

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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.