Home / 133,470,172.80-199,813,348.80-99,541,929.60

Finding the Fourth Proportional to 133,470,172.80, 199,813,348.80 and 99,541,929.60

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Solution

The fourth proportional to 133,470,172.80, 199,813,348.80 and 99,541,929.60 is: 149,020,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,470,172.80 : 199,813,348.80 = 99,541,929.60 : x
  2. Step 2: Convert to fraction form
    133,470,172.80/199,813,348.80 = 99,541,929.60/x
  3. Step 3: Cross multiply
    133,470,172.80x = 199,813,348.80 × 99,541,929.60
  4. Step 4: Simplify right side
    133,470,172.80x = 19,889,806,299,389,844
  5. Step 5: Solve for x
    x = 19,889,806,299,389,844/133,470,172.80
  6. Step 6: Final answer
    x = 149,020,607.99

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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.