Home / 154,762,677.06-213,574,187.34-84,198,687.90

Finding the Fourth Proportional to 154,762,677.06, 213,574,187.34 and 84,198,687.90

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Solution

The fourth proportional to 154,762,677.06, 213,574,187.34 and 84,198,687.90 is: 116,195,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,762,677.06 : 213,574,187.34 = 84,198,687.90 : x
  2. Step 2: Convert to fraction form
    154,762,677.06/213,574,187.34 = 84,198,687.90/x
  3. Step 3: Cross multiply
    154,762,677.06x = 213,574,187.34 × 84,198,687.90
  4. Step 4: Simplify right side
    154,762,677.06x = 17,982,666,343,336,792
  5. Step 5: Solve for x
    x = 17,982,666,343,336,792/154,762,677.06
  6. Step 6: Final answer
    x = 116,195,110.38

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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.