Home / 79,196,980.40-118,848,614.70-36,043,971.20

Finding the Fourth Proportional to 79,196,980.40, 118,848,614.70 and 36,043,971.20

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Solution

The fourth proportional to 79,196,980.40, 118,848,614.70 and 36,043,971.20 is: 54,090,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,196,980.40 : 118,848,614.70 = 36,043,971.20 : x
  2. Step 2: Convert to fraction form
    79,196,980.40/118,848,614.70 = 36,043,971.20/x
  3. Step 3: Cross multiply
    79,196,980.40x = 118,848,614.70 × 36,043,971.20
  4. Step 4: Simplify right side
    79,196,980.40x = 4,283,776,045,406,697
  5. Step 5: Solve for x
    x = 4,283,776,045,406,697/79,196,980.40
  6. Step 6: Final answer
    x = 54,090,143.64

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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.