Home / 86,261,505,153.32-129,406,161,592.20-26,570,139,655.88

Finding the Fourth Proportional to 86,261,505,153.32, 129,406,161,592.20 and 26,570,139,655.88

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Solution

The fourth proportional to 86,261,505,153.32, 129,406,161,592.20 and 26,570,139,655.88 is: 39,859,492,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,261,505,153.32 : 129,406,161,592.20 = 26,570,139,655.88 : x
  2. Step 2: Convert to fraction form
    86,261,505,153.32/129,406,161,592.20 = 26,570,139,655.88/x
  3. Step 3: Cross multiply
    86,261,505,153.32x = 129,406,161,592.20 × 26,570,139,655.88
  4. Step 4: Simplify right side
    86,261,505,153.32x = 3,438,339,785,836,128,632,832
  5. Step 5: Solve for x
    x = 3,438,339,785,836,128,632,832/86,261,505,153.32
  6. Step 6: Final answer
    x = 39,859,492,130.64

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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.