Home / 201,408,239,259.28-301,963,420,759.96-121,802,091,132.16

Finding the Fourth Proportional to 201,408,239,259.28, 301,963,420,759.96 and 121,802,091,132.16

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Solution

The fourth proportional to 201,408,239,259.28, 301,963,420,759.96 and 121,802,091,132.16 is: 182,613,066,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,408,239,259.28 : 301,963,420,759.96 = 121,802,091,132.16 : x
  2. Step 2: Convert to fraction form
    201,408,239,259.28/301,963,420,759.96 = 121,802,091,132.16/x
  3. Step 3: Cross multiply
    201,408,239,259.28x = 301,963,420,759.96 × 121,802,091,132.16
  4. Step 4: Simplify right side
    201,408,239,259.28x = 36,779,776,093,983,426,478,080
  5. Step 5: Solve for x
    x = 36,779,776,093,983,426,478,080/201,408,239,259.28
  6. Step 6: Final answer
    x = 182,613,066,025.74

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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.