Home / 145,562,411.46-200,877,098.94-79,483,368.54

Finding the Fourth Proportional to 145,562,411.46, 200,877,098.94 and 79,483,368.54

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Solution

The fourth proportional to 145,562,411.46, 200,877,098.94 and 79,483,368.54 is: 109,687,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,562,411.46 : 200,877,098.94 = 79,483,368.54 : x
  2. Step 2: Convert to fraction form
    145,562,411.46/200,877,098.94 = 79,483,368.54/x
  3. Step 3: Cross multiply
    145,562,411.46x = 200,877,098.94 × 79,483,368.54
  4. Step 4: Simplify right side
    145,562,411.46x = 15,966,388,486,294,064
  5. Step 5: Solve for x
    x = 15,966,388,486,294,064/145,562,411.46
  6. Step 6: Final answer
    x = 109,687,578.86

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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.