Home / 59,638,045.20-89,457,067.80-38,138,960.40

Finding the Fourth Proportional to 59,638,045.20, 89,457,067.80 and 38,138,960.40

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Solution

The fourth proportional to 59,638,045.20, 89,457,067.80 and 38,138,960.40 is: 57,208,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,638,045.20 : 89,457,067.80 = 38,138,960.40 : x
  2. Step 2: Convert to fraction form
    59,638,045.20/89,457,067.80 = 38,138,960.40/x
  3. Step 3: Cross multiply
    59,638,045.20x = 89,457,067.80 × 38,138,960.40
  4. Step 4: Simplify right side
    59,638,045.20x = 3,411,799,566,324,315
  5. Step 5: Solve for x
    x = 3,411,799,566,324,315/59,638,045.20
  6. Step 6: Final answer
    x = 57,208,440.60

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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.