Home / 149,100,189.35-223,575,443.66-86,871,646.13

Finding the Fourth Proportional to 149,100,189.35, 223,575,443.66 and 86,871,646.13

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Solution

The fourth proportional to 149,100,189.35, 223,575,443.66 and 86,871,646.13 is: 130,263,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,100,189.35 : 223,575,443.66 = 86,871,646.13 : x
  2. Step 2: Convert to fraction form
    149,100,189.35/223,575,443.66 = 86,871,646.13/x
  3. Step 3: Cross multiply
    149,100,189.35x = 223,575,443.66 × 86,871,646.13
  4. Step 4: Simplify right side
    149,100,189.35x = 19,422,366,824,088,572
  5. Step 5: Solve for x
    x = 19,422,366,824,088,572/149,100,189.35
  6. Step 6: Final answer
    x = 130,263,864.25

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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.