Home / 154,213,918,685.61-231,199,220,111.79-97,434,101,987.61

Finding the Fourth Proportional to 154,213,918,685.61, 231,199,220,111.79 and 97,434,101,987.61

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Solution

The fourth proportional to 154,213,918,685.61, 231,199,220,111.79 and 97,434,101,987.61 is: 146,074,288,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,213,918,685.61 : 231,199,220,111.79 = 97,434,101,987.61 : x
  2. Step 2: Convert to fraction form
    154,213,918,685.61/231,199,220,111.79 = 97,434,101,987.61/x
  3. Step 3: Cross multiply
    154,213,918,685.61x = 231,199,220,111.79 × 97,434,101,987.61
  4. Step 4: Simplify right side
    154,213,918,685.61x = 22,526,688,391,828,042,940,416
  5. Step 5: Solve for x
    x = 22,526,688,391,828,042,940,416/154,213,918,685.61
  6. Step 6: Final answer
    x = 146,074,288,130.58

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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.