Home / 66,464,378.20-99,710,045.70-37,724,282.20

Finding the Fourth Proportional to 66,464,378.20, 99,710,045.70 and 37,724,282.20

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Solution

The fourth proportional to 66,464,378.20, 99,710,045.70 and 37,724,282.20 is: 56,594,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,464,378.20 : 99,710,045.70 = 37,724,282.20 : x
  2. Step 2: Convert to fraction form
    66,464,378.20/99,710,045.70 = 37,724,282.20/x
  3. Step 3: Cross multiply
    66,464,378.20x = 99,710,045.70 × 37,724,282.20
  4. Step 4: Simplify right side
    66,464,378.20x = 3,761,489,902,161,697
  5. Step 5: Solve for x
    x = 3,761,489,902,161,697/66,464,378.20
  6. Step 6: Final answer
    x = 56,594,073.46

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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.