Home / 140,091,921.40-209,571,011.70-123,085,809.40

Finding the Fourth Proportional to 140,091,921.40, 209,571,011.70 and 123,085,809.40

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Solution

The fourth proportional to 140,091,921.40, 209,571,011.70 and 123,085,809.40 is: 184,130,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,091,921.40 : 209,571,011.70 = 123,085,809.40 : x
  2. Step 2: Convert to fraction form
    140,091,921.40/209,571,011.70 = 123,085,809.40/x
  3. Step 3: Cross multiply
    140,091,921.40x = 209,571,011.70 × 123,085,809.40
  4. Step 4: Simplify right side
    140,091,921.40x = 25,795,217,601,871,368
  5. Step 5: Solve for x
    x = 25,795,217,601,871,368/140,091,921.40
  6. Step 6: Final answer
    x = 184,130,657.53

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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.