Home / 61,857,136.80-92,762,085.60-18,712,000.80

Finding the Fourth Proportional to 61,857,136.80, 92,762,085.60 and 18,712,000.80

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Solution

The fourth proportional to 61,857,136.80, 92,762,085.60 and 18,712,000.80 is: 28,060,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,857,136.80 : 92,762,085.60 = 18,712,000.80 : x
  2. Step 2: Convert to fraction form
    61,857,136.80/92,762,085.60 = 18,712,000.80/x
  3. Step 3: Cross multiply
    61,857,136.80x = 92,762,085.60 × 18,712,000.80
  4. Step 4: Simplify right side
    61,857,136.80x = 1,735,764,219,956,868.50
  5. Step 5: Solve for x
    x = 1,735,764,219,956,868.50/61,857,136.80
  6. Step 6: Final answer
    x = 28,060,856.19

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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.