Home / 163,856,187.11-245,800,718.71-47,274,430.12

Finding the Fourth Proportional to 163,856,187.11, 245,800,718.71 and 47,274,430.12

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Solution

The fourth proportional to 163,856,187.11, 245,800,718.71 and 47,274,430.12 is: 70,916,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,856,187.11 : 245,800,718.71 = 47,274,430.12 : x
  2. Step 2: Convert to fraction form
    163,856,187.11/245,800,718.71 = 47,274,430.12/x
  3. Step 3: Cross multiply
    163,856,187.11x = 245,800,718.71 × 47,274,430.12
  4. Step 4: Simplify right side
    163,856,187.11x = 11,620,088,899,368,984
  5. Step 5: Solve for x
    x = 11,620,088,899,368,984/163,856,187.11
  6. Step 6: Final answer
    x = 70,916,387.74

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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.