Home / 77,443,301.60-116,164,952.40-31,989,989.60

Finding the Fourth Proportional to 77,443,301.60, 116,164,952.40 and 31,989,989.60

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Solution

The fourth proportional to 77,443,301.60, 116,164,952.40 and 31,989,989.60 is: 47,984,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,443,301.60 : 116,164,952.40 = 31,989,989.60 : x
  2. Step 2: Convert to fraction form
    77,443,301.60/116,164,952.40 = 31,989,989.60/x
  3. Step 3: Cross multiply
    77,443,301.60x = 116,164,952.40 × 31,989,989.60
  4. Step 4: Simplify right side
    77,443,301.60x = 3,716,115,619,160,495.50
  5. Step 5: Solve for x
    x = 3,716,115,619,160,495.50/77,443,301.60
  6. Step 6: Final answer
    x = 47,984,984.40

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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.