Home / 103,792,892.80-155,689,339.20-65,572,297.60

Finding the Fourth Proportional to 103,792,892.80, 155,689,339.20 and 65,572,297.60

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Solution

The fourth proportional to 103,792,892.80, 155,689,339.20 and 65,572,297.60 is: 98,358,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,792,892.80 : 155,689,339.20 = 65,572,297.60 : x
  2. Step 2: Convert to fraction form
    103,792,892.80/155,689,339.20 = 65,572,297.60/x
  3. Step 3: Cross multiply
    103,792,892.80x = 155,689,339.20 × 65,572,297.60
  4. Step 4: Simplify right side
    103,792,892.80x = 10,208,907,683,169,746
  5. Step 5: Solve for x
    x = 10,208,907,683,169,746/103,792,892.80
  6. Step 6: Final answer
    x = 98,358,446.40

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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.