Home / 109,044,112,007.80-163,566,168,011.70-71,821,134,062.20

Finding the Fourth Proportional to 109,044,112,007.80, 163,566,168,011.70 and 71,821,134,062.20

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Solution

The fourth proportional to 109,044,112,007.80, 163,566,168,011.70 and 71,821,134,062.20 is: 107,731,701,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,044,112,007.80 : 163,566,168,011.70 = 71,821,134,062.20 : x
  2. Step 2: Convert to fraction form
    109,044,112,007.80/163,566,168,011.70 = 71,821,134,062.20/x
  3. Step 3: Cross multiply
    109,044,112,007.80x = 163,566,168,011.70 × 71,821,134,062.20
  4. Step 4: Simplify right side
    109,044,112,007.80x = 11,747,507,680,808,634,679,296
  5. Step 5: Solve for x
    x = 11,747,507,680,808,634,679,296/109,044,112,007.80
  6. Step 6: Final answer
    x = 107,731,701,093.30

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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.