Home / 145,529,034,314.49-218,098,426,199.89-113,261,842,643.49

Finding the Fourth Proportional to 145,529,034,314.49, 218,098,426,199.89 and 113,261,842,643.49

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Solution

The fourth proportional to 145,529,034,314.49, 218,098,426,199.89 and 113,261,842,643.49 is: 169,740,902,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,529,034,314.49 : 218,098,426,199.89 = 113,261,842,643.49 : x
  2. Step 2: Convert to fraction form
    145,529,034,314.49/218,098,426,199.89 = 113,261,842,643.49/x
  3. Step 3: Cross multiply
    145,529,034,314.49x = 218,098,426,199.89 × 113,261,842,643.49
  4. Step 4: Simplify right side
    145,529,034,314.49x = 24,702,229,629,044,759,986,176
  5. Step 5: Solve for x
    x = 24,702,229,629,044,759,986,176/145,529,034,314.49
  6. Step 6: Final answer
    x = 169,740,902,531.26

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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.