Home / 199,280,199.60-298,920,299.40-144,860,641.20

Finding the Fourth Proportional to 199,280,199.60, 298,920,299.40 and 144,860,641.20

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Solution

The fourth proportional to 199,280,199.60, 298,920,299.40 and 144,860,641.20 is: 217,290,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,280,199.60 : 298,920,299.40 = 144,860,641.20 : x
  2. Step 2: Convert to fraction form
    199,280,199.60/298,920,299.40 = 144,860,641.20/x
  3. Step 3: Cross multiply
    199,280,199.60x = 298,920,299.40 × 144,860,641.20
  4. Step 4: Simplify right side
    199,280,199.60x = 43,301,786,238,779,968
  5. Step 5: Solve for x
    x = 43,301,786,238,779,968/199,280,199.60
  6. Step 6: Final answer
    x = 217,290,961.80

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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.