Home / 98,408,179.25-135,803,282.18-53,144,920.26

Finding the Fourth Proportional to 98,408,179.25, 135,803,282.18 and 53,144,920.26

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Solution

The fourth proportional to 98,408,179.25, 135,803,282.18 and 53,144,920.26 is: 73,339,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,408,179.25 : 135,803,282.18 = 53,144,920.26 : x
  2. Step 2: Convert to fraction form
    98,408,179.25/135,803,282.18 = 53,144,920.26/x
  3. Step 3: Cross multiply
    98,408,179.25x = 135,803,282.18 × 53,144,920.26
  4. Step 4: Simplify right side
    98,408,179.25x = 7,217,254,602,502,379
  5. Step 5: Solve for x
    x = 7,217,254,602,502,379/98,408,179.25
  6. Step 6: Final answer
    x = 73,339,987.16

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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.