Home / 79,196,979.40-118,848,613.20-36,043,970.20

Finding the Fourth Proportional to 79,196,979.40, 118,848,613.20 and 36,043,970.20

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Solution

The fourth proportional to 79,196,979.40, 118,848,613.20 and 36,043,970.20 is: 54,090,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,196,979.40 : 118,848,613.20 = 36,043,970.20 : x
  2. Step 2: Convert to fraction form
    79,196,979.40/118,848,613.20 = 36,043,970.20/x
  3. Step 3: Cross multiply
    79,196,979.40x = 118,848,613.20 × 36,043,970.20
  4. Step 4: Simplify right side
    79,196,979.40x = 4,283,775,872,492,127
  5. Step 5: Solve for x
    x = 4,283,775,872,492,127/79,196,979.40
  6. Step 6: Final answer
    x = 54,090,142.14

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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.