Home / 199,280,421.60-298,920,632.40-144,860,863.20

Finding the Fourth Proportional to 199,280,421.60, 298,920,632.40 and 144,860,863.20

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Solution

The fourth proportional to 199,280,421.60, 298,920,632.40 and 144,860,863.20 is: 217,291,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,280,421.60 : 298,920,632.40 = 144,860,863.20 : x
  2. Step 2: Convert to fraction form
    199,280,421.60/298,920,632.40 = 144,860,863.20/x
  3. Step 3: Cross multiply
    199,280,421.60x = 298,920,632.40 × 144,860,863.20
  4. Step 4: Simplify right side
    199,280,421.60x = 43,301,900,837,753,880
  5. Step 5: Solve for x
    x = 43,301,900,837,753,880/199,280,421.60
  6. Step 6: Final answer
    x = 217,291,294.80

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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.