Home / 163,646,826.69-225,837,404.13-89,312,158.00

Finding the Fourth Proportional to 163,646,826.69, 225,837,404.13 and 89,312,158.00

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Solution

The fourth proportional to 163,646,826.69, 225,837,404.13 and 89,312,158.00 is: 123,253,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,646,826.69 : 225,837,404.13 = 89,312,158.00 : x
  2. Step 2: Convert to fraction form
    163,646,826.69/225,837,404.13 = 89,312,158.00/x
  3. Step 3: Cross multiply
    163,646,826.69x = 225,837,404.13 × 89,312,158.00
  4. Step 4: Simplify right side
    163,646,826.69x = 20,170,025,918,879,696
  5. Step 5: Solve for x
    x = 20,170,025,918,879,696/163,646,826.69
  6. Step 6: Final answer
    x = 123,253,388.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.