Home / 115,920,143.40-173,880,215.10-62,172,431.40

Finding the Fourth Proportional to 115,920,143.40, 173,880,215.10 and 62,172,431.40

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Solution

The fourth proportional to 115,920,143.40, 173,880,215.10 and 62,172,431.40 is: 93,258,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,920,143.40 : 173,880,215.10 = 62,172,431.40 : x
  2. Step 2: Convert to fraction form
    115,920,143.40/173,880,215.10 = 62,172,431.40/x
  3. Step 3: Cross multiply
    115,920,143.40x = 173,880,215.10 × 62,172,431.40
  4. Step 4: Simplify right side
    115,920,143.40x = 10,810,555,745,121,994
  5. Step 5: Solve for x
    x = 10,810,555,745,121,994/115,920,143.40
  6. Step 6: Final answer
    x = 93,258,647.10

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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.