Home / 124,663,136.40-186,994,704.60-103,429,472.40

Finding the Fourth Proportional to 124,663,136.40, 186,994,704.60 and 103,429,472.40

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Solution

The fourth proportional to 124,663,136.40, 186,994,704.60 and 103,429,472.40 is: 155,144,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,663,136.40 : 186,994,704.60 = 103,429,472.40 : x
  2. Step 2: Convert to fraction form
    124,663,136.40/186,994,704.60 = 103,429,472.40/x
  3. Step 3: Cross multiply
    124,663,136.40x = 186,994,704.60 × 103,429,472.40
  4. Step 4: Simplify right side
    124,663,136.40x = 19,340,763,638,371,852
  5. Step 5: Solve for x
    x = 19,340,763,638,371,852/124,663,136.40
  6. Step 6: Final answer
    x = 155,144,208.60

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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.