Home / 103,581,688-155,379,996.96-39,756,280

Finding the Fourth Proportional to 103,581,688, 155,379,996.96 and 39,756,280

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Solution

The fourth proportional to 103,581,688, 155,379,996.96 and 39,756,280 is: 59,637,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,581,688 : 155,379,996.96 = 39,756,280 : x
  2. Step 2: Convert to fraction form
    103,581,688/155,379,996.96 = 39,756,280/x
  3. Step 3: Cross multiply
    103,581,688x = 155,379,996.96 × 39,756,280
  4. Step 4: Simplify right side
    103,581,688x = 6,177,330,665,540,909
  5. Step 5: Solve for x
    x = 6,177,330,665,540,909/103,581,688
  6. Step 6: Final answer
    x = 59,637,285.17

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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.