Home / 142,263,641.36-196,324,031.40-77,073,545.36

Finding the Fourth Proportional to 142,263,641.36, 196,324,031.40 and 77,073,545.36

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Solution

The fourth proportional to 142,263,641.36, 196,324,031.40 and 77,073,545.36 is: 106,361,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,263,641.36 : 196,324,031.40 = 77,073,545.36 : x
  2. Step 2: Convert to fraction form
    142,263,641.36/196,324,031.40 = 77,073,545.36/x
  3. Step 3: Cross multiply
    142,263,641.36x = 196,324,031.40 × 77,073,545.36
  4. Step 4: Simplify right side
    142,263,641.36x = 15,131,389,139,365,964
  5. Step 5: Solve for x
    x = 15,131,389,139,365,964/142,263,641.36
  6. Step 6: Final answer
    x = 106,361,604.38

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1.5x scale

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.