Home / 103,813,688.40-155,720,532.60-27,144,466.80

Finding the Fourth Proportional to 103,813,688.40, 155,720,532.60 and 27,144,466.80

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Solution

The fourth proportional to 103,813,688.40, 155,720,532.60 and 27,144,466.80 is: 40,716,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,813,688.40 : 155,720,532.60 = 27,144,466.80 : x
  2. Step 2: Convert to fraction form
    103,813,688.40/155,720,532.60 = 27,144,466.80/x
  3. Step 3: Cross multiply
    103,813,688.40x = 155,720,532.60 × 27,144,466.80
  4. Step 4: Simplify right side
    103,813,688.40x = 4,226,950,827,239,017.50
  5. Step 5: Solve for x
    x = 4,226,950,827,239,017.50/103,813,688.40
  6. Step 6: Final answer
    x = 40,716,700.20

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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.