Home / 152,242,719.69-210,095,155.89-82,628,100.57

Finding the Fourth Proportional to 152,242,719.69, 210,095,155.89 and 82,628,100.57

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Solution

The fourth proportional to 152,242,719.69, 210,095,155.89 and 82,628,100.57 is: 114,026,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,242,719.69 : 210,095,155.89 = 82,628,100.57 : x
  2. Step 2: Convert to fraction form
    152,242,719.69/210,095,155.89 = 82,628,100.57/x
  3. Step 3: Cross multiply
    152,242,719.69x = 210,095,155.89 × 82,628,100.57
  4. Step 4: Simplify right side
    152,242,719.69x = 17,359,763,670,148,746
  5. Step 5: Solve for x
    x = 17,359,763,670,148,746/152,242,719.69
  6. Step 6: Final answer
    x = 114,026,888.81

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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.