Home / 52,401,792.20-78,528,038.70-38,647,603.40

Finding the Fourth Proportional to 52,401,792.20, 78,528,038.70 and 38,647,603.40

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Solution

The fourth proportional to 52,401,792.20, 78,528,038.70 and 38,647,603.40 is: 57,916,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401,792.20 : 78,528,038.70 = 38,647,603.40 : x
  2. Step 2: Convert to fraction form
    52,401,792.20/78,528,038.70 = 38,647,603.40/x
  3. Step 3: Cross multiply
    52,401,792.20x = 78,528,038.70 × 38,647,603.40
  4. Step 4: Simplify right side
    52,401,792.20x = 3,034,920,495,457,451.50
  5. Step 5: Solve for x
    x = 3,034,920,495,457,451.50/52,401,792.20
  6. Step 6: Final answer
    x = 57,916,349.19

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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.