Home / 158,030,909,425.46-218,082,816,407.98-85,772,989,169.83

Finding the Fourth Proportional to 158,030,909,425.46, 218,082,816,407.98 and 85,772,989,169.83

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Solution

The fourth proportional to 158,030,909,425.46, 218,082,816,407.98 and 85,772,989,169.83 is: 118,366,812,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,030,909,425.46 : 218,082,816,407.98 = 85,772,989,169.83 : x
  2. Step 2: Convert to fraction form
    158,030,909,425.46/218,082,816,407.98 = 85,772,989,169.83/x
  3. Step 3: Cross multiply
    158,030,909,425.46x = 218,082,816,407.98 × 85,772,989,169.83
  4. Step 4: Simplify right side
    158,030,909,425.46x = 18,705,615,049,887,693,406,208
  5. Step 5: Solve for x
    x = 18,705,615,049,887,693,406,208/158,030,909,425.46
  6. Step 6: Final answer
    x = 118,366,812,656.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.