Home / 142,683,569.10-213,746,722.74-67,794,222.60

Finding the Fourth Proportional to 142,683,569.10, 213,746,722.74 and 67,794,222.60

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Solution

The fourth proportional to 142,683,569.10, 213,746,722.74 and 67,794,222.60 is: 101,558,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,683,569.10 : 213,746,722.74 = 67,794,222.60 : x
  2. Step 2: Convert to fraction form
    142,683,569.10/213,746,722.74 = 67,794,222.60/x
  3. Step 3: Cross multiply
    142,683,569.10x = 213,746,722.74 × 67,794,222.60
  4. Step 4: Simplify right side
    142,683,569.10x = 14,490,792,901,456,042
  5. Step 5: Solve for x
    x = 14,490,792,901,456,042/142,683,569.10
  6. Step 6: Final answer
    x = 101,558,946.09

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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.