Home / 142,284,605,463.12-196,351,593,378.48-77,178,869,783.10

Finding the Fourth Proportional to 142,284,605,463.12, 196,351,593,378.48 and 77,178,869,783.10

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Solution

The fourth proportional to 142,284,605,463.12, 196,351,593,378.48 and 77,178,869,783.10 is: 106,506,209,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,284,605,463.12 : 196,351,593,378.48 = 77,178,869,783.10 : x
  2. Step 2: Convert to fraction form
    142,284,605,463.12/196,351,593,378.48 = 77,178,869,783.10/x
  3. Step 3: Cross multiply
    142,284,605,463.12x = 196,351,593,378.48 × 77,178,869,783.10
  4. Step 4: Simplify right side
    142,284,605,463.12x = 15,154,194,057,061,910,708,224
  5. Step 5: Solve for x
    x = 15,154,194,057,061,910,708,224/142,284,605,463.12
  6. Step 6: Final answer
    x = 106,506,209,914.54

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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.