Home / 30,521,000.70-45,781,501.05-26,411,190.30

Finding the Fourth Proportional to 30,521,000.70, 45,781,501.05 and 26,411,190.30

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Solution

The fourth proportional to 30,521,000.70, 45,781,501.05 and 26,411,190.30 is: 39,616,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521,000.70 : 45,781,501.05 = 26,411,190.30 : x
  2. Step 2: Convert to fraction form
    30,521,000.70/45,781,501.05 = 26,411,190.30/x
  3. Step 3: Cross multiply
    30,521,000.70x = 45,781,501.05 × 26,411,190.30
  4. Step 4: Simplify right side
    30,521,000.70x = 1,209,143,936,451,199.75
  5. Step 5: Solve for x
    x = 1,209,143,936,451,199.75/30,521,000.70
  6. Step 6: Final answer
    x = 39,616,785.45

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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.