Home / 53,255,780.10-79,883,670.15-43,681,968.90

Finding the Fourth Proportional to 53,255,780.10, 79,883,670.15 and 43,681,968.90

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Solution

The fourth proportional to 53,255,780.10, 79,883,670.15 and 43,681,968.90 is: 65,522,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,255,780.10 : 79,883,670.15 = 43,681,968.90 : x
  2. Step 2: Convert to fraction form
    53,255,780.10/79,883,670.15 = 43,681,968.90/x
  3. Step 3: Cross multiply
    53,255,780.10x = 79,883,670.15 × 43,681,968.90
  4. Step 4: Simplify right side
    53,255,780.10x = 3,489,475,995,110,158.50
  5. Step 5: Solve for x
    x = 3,489,475,995,110,158.50/53,255,780.10
  6. Step 6: Final answer
    x = 65,522,953.35

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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.