Home / 101,066,889.45-139,472,727.65-54,657,143.35

Finding the Fourth Proportional to 101,066,889.45, 139,472,727.65 and 54,657,143.35

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Solution

The fourth proportional to 101,066,889.45, 139,472,727.65 and 54,657,143.35 is: 75,427,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066,889.45 : 139,472,727.65 = 54,657,143.35 : x
  2. Step 2: Convert to fraction form
    101,066,889.45/139,472,727.65 = 54,657,143.35/x
  3. Step 3: Cross multiply
    101,066,889.45x = 139,472,727.65 × 54,657,143.35
  4. Step 4: Simplify right side
    101,066,889.45x = 7,623,180,868,308,274
  5. Step 5: Solve for x
    x = 7,623,180,868,308,274/101,066,889.45
  6. Step 6: Final answer
    x = 75,427,085.07

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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.