Home / 79,005,589.30-118,496,409.72-21,502,341.46

Finding the Fourth Proportional to 79,005,589.30, 118,496,409.72 and 21,502,341.46

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Solution

The fourth proportional to 79,005,589.30, 118,496,409.72 and 21,502,341.46 is: 32,250,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,005,589.30 : 118,496,409.72 = 21,502,341.46 : x
  2. Step 2: Convert to fraction form
    79,005,589.30/118,496,409.72 = 21,502,341.46/x
  3. Step 3: Cross multiply
    79,005,589.30x = 118,496,409.72 × 21,502,341.46
  4. Step 4: Simplify right side
    79,005,589.30x = 2,547,950,263,583,503
  5. Step 5: Solve for x
    x = 2,547,950,263,583,503/79,005,589.30
  6. Step 6: Final answer
    x = 32,250,253.26

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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.