Home / 30,240,147.90-45,360,221.85-10,045,389.90

Finding the Fourth Proportional to 30,240,147.90, 45,360,221.85 and 10,045,389.90

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Solution

The fourth proportional to 30,240,147.90, 45,360,221.85 and 10,045,389.90 is: 15,068,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240,147.90 : 45,360,221.85 = 10,045,389.90 : x
  2. Step 2: Convert to fraction form
    30,240,147.90/45,360,221.85 = 10,045,389.90/x
  3. Step 3: Cross multiply
    30,240,147.90x = 45,360,221.85 × 10,045,389.90
  4. Step 4: Simplify right side
    30,240,147.90x = 455,661,114,433,749.38
  5. Step 5: Solve for x
    x = 455,661,114,433,749.38/30,240,147.90
  6. Step 6: Final answer
    x = 15,068,084.85

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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.