Home / 53,280,985.20-79,872,489-19,193,994.96

Finding the Fourth Proportional to 53,280,985.20, 79,872,489 and 19,193,994.96

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Solution

The fourth proportional to 53,280,985.20, 79,872,489 and 19,193,994.96 is: 28,773,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,280,985.20 : 79,872,489 = 19,193,994.96 : x
  2. Step 2: Convert to fraction form
    53,280,985.20/79,872,489 = 19,193,994.96/x
  3. Step 3: Cross multiply
    53,280,985.20x = 79,872,489 × 19,193,994.96
  4. Step 4: Simplify right side
    53,280,985.20x = 1,533,072,151,308,655.50
  5. Step 5: Solve for x
    x = 1,533,072,151,308,655.50/53,280,985.20
  6. Step 6: Final answer
    x = 28,773,344.67

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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.