Home / 56,000,013.60-84,000,020.40-52,173,638.40

Finding the Fourth Proportional to 56,000,013.60, 84,000,020.40 and 52,173,638.40

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Solution

The fourth proportional to 56,000,013.60, 84,000,020.40 and 52,173,638.40 is: 78,260,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000,013.60 : 84,000,020.40 = 52,173,638.40 : x
  2. Step 2: Convert to fraction form
    56,000,013.60/84,000,020.40 = 52,173,638.40/x
  3. Step 3: Cross multiply
    56,000,013.60x = 84,000,020.40 × 52,173,638.40
  4. Step 4: Simplify right side
    56,000,013.60x = 4,382,586,689,942,223.50
  5. Step 5: Solve for x
    x = 4,382,586,689,942,223.50/56,000,013.60
  6. Step 6: Final answer
    x = 78,260,457.60

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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.