Home / 59,362,945.20-89,060,164.20-21,020,461.20

Finding the Fourth Proportional to 59,362,945.20, 89,060,164.20 and 21,020,461.20

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Solution

The fourth proportional to 59,362,945.20, 89,060,164.20 and 21,020,461.20 is: 31,536,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,362,945.20 : 89,060,164.20 = 21,020,461.20 : x
  2. Step 2: Convert to fraction form
    59,362,945.20/89,060,164.20 = 21,020,461.20/x
  3. Step 3: Cross multiply
    59,362,945.20x = 89,060,164.20 × 21,020,461.20
  4. Step 4: Simplify right side
    59,362,945.20x = 1,872,085,726,031,729
  5. Step 5: Solve for x
    x = 1,872,085,726,031,729/59,362,945.20
  6. Step 6: Final answer
    x = 31,536,267.61

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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.