Home / 185,424,666.60-278,136,999.90-49,131,085.80

Finding the Fourth Proportional to 185,424,666.60, 278,136,999.90 and 49,131,085.80

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Solution

The fourth proportional to 185,424,666.60, 278,136,999.90 and 49,131,085.80 is: 73,696,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,424,666.60 : 278,136,999.90 = 49,131,085.80 : x
  2. Step 2: Convert to fraction form
    185,424,666.60/278,136,999.90 = 49,131,085.80/x
  3. Step 3: Cross multiply
    185,424,666.60x = 278,136,999.90 × 49,131,085.80
  4. Step 4: Simplify right side
    185,424,666.60x = 13,665,172,806,241,490
  5. Step 5: Solve for x
    x = 13,665,172,806,241,490/185,424,666.60
  6. Step 6: Final answer
    x = 73,696,628.70

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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.