Home / 158,030,909,428.89-218,082,816,412.71-85,772,989,173.27

Finding the Fourth Proportional to 158,030,909,428.89, 218,082,816,412.71 and 85,772,989,173.27

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Solution

The fourth proportional to 158,030,909,428.89, 218,082,816,412.71 and 85,772,989,173.27 is: 118,366,812,661.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,030,909,428.89 : 218,082,816,412.71 = 85,772,989,173.27 : x
  2. Step 2: Convert to fraction form
    158,030,909,428.89/218,082,816,412.71 = 85,772,989,173.27/x
  3. Step 3: Cross multiply
    158,030,909,428.89x = 218,082,816,412.71 × 85,772,989,173.27
  4. Step 4: Simplify right side
    158,030,909,428.89x = 18,705,615,051,042,513,223,680
  5. Step 5: Solve for x
    x = 18,705,615,051,042,513,223,680/158,030,909,428.89
  6. Step 6: Final answer
    x = 118,366,812,661.16

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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.