Home / 152,242,719.18-210,095,155.19-82,628,100.06

Finding the Fourth Proportional to 152,242,719.18, 210,095,155.19 and 82,628,100.06

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Solution

The fourth proportional to 152,242,719.18, 210,095,155.19 and 82,628,100.06 is: 114,026,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,242,719.18 : 210,095,155.19 = 82,628,100.06 : x
  2. Step 2: Convert to fraction form
    152,242,719.18/210,095,155.19 = 82,628,100.06/x
  3. Step 3: Cross multiply
    152,242,719.18x = 210,095,155.19 × 82,628,100.06
  4. Step 4: Simplify right side
    152,242,719.18x = 17,359,763,505,160,548
  5. Step 5: Solve for x
    x = 17,359,763,505,160,548/152,242,719.18
  6. Step 6: Final answer
    x = 114,026,888.11

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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.