Home / 100,308,584.02-150,291,350.98-78,440,518.83

Finding the Fourth Proportional to 100,308,584.02, 150,291,350.98 and 78,440,518.83

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Solution

The fourth proportional to 100,308,584.02, 150,291,350.98 and 78,440,518.83 is: 117,526,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,308,584.02 : 150,291,350.98 = 78,440,518.83 : x
  2. Step 2: Convert to fraction form
    100,308,584.02/150,291,350.98 = 78,440,518.83/x
  3. Step 3: Cross multiply
    100,308,584.02x = 150,291,350.98 × 78,440,518.83
  4. Step 4: Simplify right side
    100,308,584.02x = 11,788,931,547,120,736
  5. Step 5: Solve for x
    x = 11,788,931,547,120,736/100,308,584.02
  6. Step 6: Final answer
    x = 117,526,647.02

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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.