Home / 49,821,603.40-74,732,405.10-30,590,000.20

Finding the Fourth Proportional to 49,821,603.40, 74,732,405.10 and 30,590,000.20

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Solution

The fourth proportional to 49,821,603.40, 74,732,405.10 and 30,590,000.20 is: 45,885,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821,603.40 : 74,732,405.10 = 30,590,000.20 : x
  2. Step 2: Convert to fraction form
    49,821,603.40/74,732,405.10 = 30,590,000.20/x
  3. Step 3: Cross multiply
    49,821,603.40x = 74,732,405.10 × 30,590,000.20
  4. Step 4: Simplify right side
    49,821,603.40x = 2,286,064,286,955,481
  5. Step 5: Solve for x
    x = 2,286,064,286,955,481/49,821,603.40
  6. Step 6: Final answer
    x = 45,885,000.30

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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.