Home / 78,343,226.20-117,553,460.10-35,242,931.80

Finding the Fourth Proportional to 78,343,226.20, 117,553,460.10 and 35,242,931.80

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Solution

The fourth proportional to 78,343,226.20, 117,553,460.10 and 35,242,931.80 is: 52,881,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,343,226.20 : 117,553,460.10 = 35,242,931.80 : x
  2. Step 2: Convert to fraction form
    78,343,226.20/117,553,460.10 = 35,242,931.80/x
  3. Step 3: Cross multiply
    78,343,226.20x = 117,553,460.10 × 35,242,931.80
  4. Step 4: Simplify right side
    78,343,226.20x = 4,142,928,577,158,320.50
  5. Step 5: Solve for x
    x = 4,142,928,577,158,320.50/78,343,226.20
  6. Step 6: Final answer
    x = 52,881,771.38

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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.