Home / 84,726,917.40-116,916,729.29-47,550,017.60

Finding the Fourth Proportional to 84,726,917.40, 116,916,729.29 and 47,550,017.60

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Solution

The fourth proportional to 84,726,917.40, 116,916,729.29 and 47,550,017.60 is: 65,615,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726,917.40 : 116,916,729.29 = 47,550,017.60 : x
  2. Step 2: Convert to fraction form
    84,726,917.40/116,916,729.29 = 47,550,017.60/x
  3. Step 3: Cross multiply
    84,726,917.40x = 116,916,729.29 × 47,550,017.60
  4. Step 4: Simplify right side
    84,726,917.40x = 5,559,392,535,706,789
  5. Step 5: Solve for x
    x = 5,559,392,535,706,789/84,726,917.40
  6. Step 6: Final answer
    x = 65,615,423.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.