Home / 158,030,909,343.83-218,082,816,295.08-85,772,989,087.94

Finding the Fourth Proportional to 158,030,909,343.83, 218,082,816,295.08 and 85,772,989,087.94

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Solution

The fourth proportional to 158,030,909,343.83, 218,082,816,295.08 and 85,772,989,087.94 is: 118,366,812,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,030,909,343.83 : 218,082,816,295.08 = 85,772,989,087.94 : x
  2. Step 2: Convert to fraction form
    158,030,909,343.83/218,082,816,295.08 = 85,772,989,087.94/x
  3. Step 3: Cross multiply
    158,030,909,343.83x = 218,082,816,295.08 × 85,772,989,087.94
  4. Step 4: Simplify right side
    158,030,909,343.83x = 18,705,615,022,345,118,810,112
  5. Step 5: Solve for x
    x = 18,705,615,022,345,118,810,112/158,030,909,343.83
  6. Step 6: Final answer
    x = 118,366,812,543.28

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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.