Home / 191,450,712.08-287,259,598.55-67,042,632.43

Finding the Fourth Proportional to 191,450,712.08, 287,259,598.55 and 67,042,632.43

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Solution

The fourth proportional to 191,450,712.08, 287,259,598.55 and 67,042,632.43 is: 100,593,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,450,712.08 : 287,259,598.55 = 67,042,632.43 : x
  2. Step 2: Convert to fraction form
    191,450,712.08/287,259,598.55 = 67,042,632.43/x
  3. Step 3: Cross multiply
    191,450,712.08x = 287,259,598.55 × 67,042,632.43
  4. Step 4: Simplify right side
    191,450,712.08x = 19,258,639,676,523,652
  5. Step 5: Solve for x
    x = 19,258,639,676,523,652/191,450,712.08
  6. Step 6: Final answer
    x = 100,593,199.51

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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.