Home / 129,061,570.40-193,536,368.40-42,766,632.80

Finding the Fourth Proportional to 129,061,570.40, 193,536,368.40 and 42,766,632.80

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Solution

The fourth proportional to 129,061,570.40, 193,536,368.40 and 42,766,632.80 is: 64,131,396.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,061,570.40 : 193,536,368.40 = 42,766,632.80 : x
  2. Step 2: Convert to fraction form
    129,061,570.40/193,536,368.40 = 42,766,632.80/x
  3. Step 3: Cross multiply
    129,061,570.40x = 193,536,368.40 × 42,766,632.80
  4. Step 4: Simplify right side
    129,061,570.40x = 8,276,898,800,808,323
  5. Step 5: Solve for x
    x = 8,276,898,800,808,323/129,061,570.40
  6. Step 6: Final answer
    x = 64,131,396.94

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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.