Home / 177,916,174,931.80-245,539,463,190.78-100,767,737,891.80

Finding the Fourth Proportional to 177,916,174,931.80, 245,539,463,190.78 and 100,767,737,891.80

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Solution

The fourth proportional to 177,916,174,931.80, 245,539,463,190.78 and 100,767,737,891.80 is: 139,068,054,258.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,916,174,931.80 : 245,539,463,190.78 = 100,767,737,891.80 : x
  2. Step 2: Convert to fraction form
    177,916,174,931.80/245,539,463,190.78 = 100,767,737,891.80/x
  3. Step 3: Cross multiply
    177,916,174,931.80x = 245,539,463,190.78 × 100,767,737,891.80
  4. Step 4: Simplify right side
    177,916,174,931.80x = 24,742,456,268,901,792,612,352
  5. Step 5: Solve for x
    x = 24,742,456,268,901,792,612,352/177,916,174,931.80
  6. Step 6: Final answer
    x = 139,068,054,258.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.