Home / 126,433,929.40-189,792,611.70-97,806,974.20

Finding the Fourth Proportional to 126,433,929.40, 189,792,611.70 and 97,806,974.20

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Solution

The fourth proportional to 126,433,929.40, 189,792,611.70 and 97,806,974.20 is: 146,820,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,433,929.40 : 189,792,611.70 = 97,806,974.20 : x
  2. Step 2: Convert to fraction form
    126,433,929.40/189,792,611.70 = 97,806,974.20/x
  3. Step 3: Cross multiply
    126,433,929.40x = 189,792,611.70 × 97,806,974.20
  4. Step 4: Simplify right side
    126,433,929.40x = 18,563,041,075,892,516
  5. Step 5: Solve for x
    x = 18,563,041,075,892,516/126,433,929.40
  6. Step 6: Final answer
    x = 146,820,091.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.