Home / 65,408,277.60-98,112,416.40-41,221,807.20

Finding the Fourth Proportional to 65,408,277.60, 98,112,416.40 and 41,221,807.20

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Solution

The fourth proportional to 65,408,277.60, 98,112,416.40 and 41,221,807.20 is: 61,832,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,408,277.60 : 98,112,416.40 = 41,221,807.20 : x
  2. Step 2: Convert to fraction form
    65,408,277.60/98,112,416.40 = 41,221,807.20/x
  3. Step 3: Cross multiply
    65,408,277.60x = 98,112,416.40 × 41,221,807.20
  4. Step 4: Simplify right side
    65,408,277.60x = 4,044,371,112,766,918.50
  5. Step 5: Solve for x
    x = 4,044,371,112,766,918.50/65,408,277.60
  6. Step 6: Final answer
    x = 61,832,710.80

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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.