Home / 83,640,674.90-125,461,012.35-74,313,885.35

Finding the Fourth Proportional to 83,640,674.90, 125,461,012.35 and 74,313,885.35

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Solution

The fourth proportional to 83,640,674.90, 125,461,012.35 and 74,313,885.35 is: 111,470,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,640,674.90 : 125,461,012.35 = 74,313,885.35 : x
  2. Step 2: Convert to fraction form
    83,640,674.90/125,461,012.35 = 74,313,885.35/x
  3. Step 3: Cross multiply
    83,640,674.90x = 125,461,012.35 × 74,313,885.35
  4. Step 4: Simplify right side
    83,640,674.90x = 9,323,495,287,672,832
  5. Step 5: Solve for x
    x = 9,323,495,287,672,832/83,640,674.90
  6. Step 6: Final answer
    x = 111,470,828.03

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1.5x scale

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.