Home / 118,698,493.91-163,883,862.56-74,112,360.01

Finding the Fourth Proportional to 118,698,493.91, 163,883,862.56 and 74,112,360.01

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Solution

The fourth proportional to 118,698,493.91, 163,883,862.56 and 74,112,360.01 is: 102,324,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,698,493.91 : 163,883,862.56 = 74,112,360.01 : x
  2. Step 2: Convert to fraction form
    118,698,493.91/163,883,862.56 = 74,112,360.01/x
  3. Step 3: Cross multiply
    118,698,493.91x = 163,883,862.56 × 74,112,360.01
  4. Step 4: Simplify right side
    118,698,493.91x = 12,145,819,821,651,650
  5. Step 5: Solve for x
    x = 12,145,819,821,651,650/118,698,493.91
  6. Step 6: Final answer
    x = 102,324,969.95

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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.