Home / 52,507,235.70-78,760,853.55-45,429,347.70

Finding the Fourth Proportional to 52,507,235.70, 78,760,853.55 and 45,429,347.70

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Solution

The fourth proportional to 52,507,235.70, 78,760,853.55 and 45,429,347.70 is: 68,144,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,507,235.70 : 78,760,853.55 = 45,429,347.70 : x
  2. Step 2: Convert to fraction form
    52,507,235.70/78,760,853.55 = 45,429,347.70/x
  3. Step 3: Cross multiply
    52,507,235.70x = 78,760,853.55 × 45,429,347.70
  4. Step 4: Simplify right side
    52,507,235.70x = 3,578,054,201,071,729.50
  5. Step 5: Solve for x
    x = 3,578,054,201,071,729.50/52,507,235.70
  6. Step 6: Final answer
    x = 68,144,021.55

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Similar ratio
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1.5x scale

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.