Home / 124,802,328.20-172,235,935.86-69,803,267.72

Finding the Fourth Proportional to 124,802,328.20, 172,235,935.86 and 69,803,267.72

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Solution

The fourth proportional to 124,802,328.20, 172,235,935.86 and 69,803,267.72 is: 96,333,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,802,328.20 : 172,235,935.86 = 69,803,267.72 : x
  2. Step 2: Convert to fraction form
    124,802,328.20/172,235,935.86 = 69,803,267.72/x
  3. Step 3: Cross multiply
    124,802,328.20x = 172,235,935.86 × 69,803,267.72
  4. Step 4: Simplify right side
    124,802,328.20x = 12,022,631,141,840,330
  5. Step 5: Solve for x
    x = 12,022,631,141,840,330/124,802,328.20
  6. Step 6: Final answer
    x = 96,333,388.29

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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.