Home / 124,823,921.80-186,870,929.10-88,992,113.80

Finding the Fourth Proportional to 124,823,921.80, 186,870,929.10 and 88,992,113.80

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Solution

The fourth proportional to 124,823,921.80, 186,870,929.10 and 88,992,113.80 is: 133,227,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,823,921.80 : 186,870,929.10 = 88,992,113.80 : x
  2. Step 2: Convert to fraction form
    124,823,921.80/186,870,929.10 = 88,992,113.80/x
  3. Step 3: Cross multiply
    124,823,921.80x = 186,870,929.10 × 88,992,113.80
  4. Step 4: Simplify right side
    124,823,921.80x = 16,630,038,988,378,930
  5. Step 5: Solve for x
    x = 16,630,038,988,378,930/124,823,921.80
  6. Step 6: Final answer
    x = 133,227,980.25

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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.