Home / 106,998,009.06-147,702,453.03-72,237,782.46

Finding the Fourth Proportional to 106,998,009.06, 147,702,453.03 and 72,237,782.46

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Solution

The fourth proportional to 106,998,009.06, 147,702,453.03 and 72,237,782.46 is: 99,718,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,998,009.06 : 147,702,453.03 = 72,237,782.46 : x
  2. Step 2: Convert to fraction form
    106,998,009.06/147,702,453.03 = 72,237,782.46/x
  3. Step 3: Cross multiply
    106,998,009.06x = 147,702,453.03 × 72,237,782.46
  4. Step 4: Simplify right side
    106,998,009.06x = 10,669,697,670,789,506
  5. Step 5: Solve for x
    x = 10,669,697,670,789,506/106,998,009.06
  6. Step 6: Final answer
    x = 99,718,656.12

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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.