Home / 82,379,136-113,683,207.95-45,715,607.04

Finding the Fourth Proportional to 82,379,136, 113,683,207.95 and 45,715,607.04

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Solution

The fourth proportional to 82,379,136, 113,683,207.95 and 45,715,607.04 is: 63,087,537.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,379,136 : 113,683,207.95 = 45,715,607.04 : x
  2. Step 2: Convert to fraction form
    82,379,136/113,683,207.95 = 45,715,607.04/x
  3. Step 3: Cross multiply
    82,379,136x = 113,683,207.95 × 45,715,607.04
  4. Step 4: Simplify right side
    82,379,136x = 5,197,096,861,688,804
  5. Step 5: Solve for x
    x = 5,197,096,861,688,804/82,379,136
  6. Step 6: Final answer
    x = 63,087,537.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.