Home / 59,555,721.60-89,312,587.20-21,218,486.40

Finding the Fourth Proportional to 59,555,721.60, 89,312,587.20 and 21,218,486.40

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Solution

The fourth proportional to 59,555,721.60, 89,312,587.20 and 21,218,486.40 is: 31,820,249.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,555,721.60 : 89,312,587.20 = 21,218,486.40 : x
  2. Step 2: Convert to fraction form
    59,555,721.60/89,312,587.20 = 21,218,486.40/x
  3. Step 3: Cross multiply
    59,555,721.60x = 89,312,587.20 × 21,218,486.40
  4. Step 4: Simplify right side
    59,555,721.60x = 1,895,077,916,852,014
  5. Step 5: Solve for x
    x = 1,895,077,916,852,014/59,555,721.60
  6. Step 6: Final answer
    x = 31,820,249.44

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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.