Home / 145,676,845.81-201,028,065.06-79,599,612.40

Finding the Fourth Proportional to 145,676,845.81, 201,028,065.06 and 79,599,612.40

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Solution

The fourth proportional to 145,676,845.81, 201,028,065.06 and 79,599,612.40 is: 109,844,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,676,845.81 : 201,028,065.06 = 79,599,612.40 : x
  2. Step 2: Convert to fraction form
    145,676,845.81/201,028,065.06 = 79,599,612.40/x
  3. Step 3: Cross multiply
    145,676,845.81x = 201,028,065.06 × 79,599,612.40
  4. Step 4: Simplify right side
    145,676,845.81x = 16,001,756,060,093,910
  5. Step 5: Solve for x
    x = 16,001,756,060,093,910/145,676,845.81
  6. Step 6: Final answer
    x = 109,844,196.39

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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.