Home / 179,285,987.13-247,408,130.22-99,896,946.72

Finding the Fourth Proportional to 179,285,987.13, 247,408,130.22 and 99,896,946.72

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Solution

The fourth proportional to 179,285,987.13, 247,408,130.22 and 99,896,946.72 is: 137,854,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,285,987.13 : 247,408,130.22 = 99,896,946.72 : x
  2. Step 2: Convert to fraction form
    179,285,987.13/247,408,130.22 = 99,896,946.72/x
  3. Step 3: Cross multiply
    179,285,987.13x = 247,408,130.22 × 99,896,946.72
  4. Step 4: Simplify right side
    179,285,987.13x = 24,715,316,802,682,160
  5. Step 5: Solve for x
    x = 24,715,316,802,682,160/179,285,987.13
  6. Step 6: Final answer
    x = 137,854,146.88

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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.