Home / 100,122,259.05-150,191,152.62-30,087,019.26

Finding the Fourth Proportional to 100,122,259.05, 150,191,152.62 and 30,087,019.26

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Solution

The fourth proportional to 100,122,259.05, 150,191,152.62 and 30,087,019.26 is: 45,132,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,122,259.05 : 150,191,152.62 = 30,087,019.26 : x
  2. Step 2: Convert to fraction form
    100,122,259.05/150,191,152.62 = 30,087,019.26/x
  3. Step 3: Cross multiply
    100,122,259.05x = 150,191,152.62 × 30,087,019.26
  4. Step 4: Simplify right side
    100,122,259.05x = 4,518,804,101,559,540
  5. Step 5: Solve for x
    x = 4,518,804,101,559,540/100,122,259.05
  6. Step 6: Final answer
    x = 45,132,862.01

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1.5x scale

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.