Home / 109,733,288.70-164,431,971.45-103,686,671.10

Finding the Fourth Proportional to 109,733,288.70, 164,431,971.45 and 103,686,671.10

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Solution

The fourth proportional to 109,733,288.70, 164,431,971.45 and 103,686,671.10 is: 155,371,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,733,288.70 : 164,431,971.45 = 103,686,671.10 : x
  2. Step 2: Convert to fraction form
    109,733,288.70/164,431,971.45 = 103,686,671.10/x
  3. Step 3: Cross multiply
    109,733,288.70x = 164,431,971.45 × 103,686,671.10
  4. Step 4: Simplify right side
    109,733,288.70x = 17,049,403,742,060,738
  5. Step 5: Solve for x
    x = 17,049,403,742,060,738/109,733,288.70
  6. Step 6: Final answer
    x = 155,371,300.21

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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.