Home / 53,114,131.20-79,671,196.80-52,610,246.40

Finding the Fourth Proportional to 53,114,131.20, 79,671,196.80 and 52,610,246.40

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Solution

The fourth proportional to 53,114,131.20, 79,671,196.80 and 52,610,246.40 is: 78,915,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,114,131.20 : 79,671,196.80 = 52,610,246.40 : x
  2. Step 2: Convert to fraction form
    53,114,131.20/79,671,196.80 = 52,610,246.40/x
  3. Step 3: Cross multiply
    53,114,131.20x = 79,671,196.80 × 52,610,246.40
  4. Step 4: Simplify right side
    53,114,131.20x = 4,191,521,294,630,891
  5. Step 5: Solve for x
    x = 4,191,521,294,630,891/53,114,131.20
  6. Step 6: Final answer
    x = 78,915,369.60

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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.