Home / 138,271,511.16-190,812,428.12-75,546,259.27

Finding the Fourth Proportional to 138,271,511.16, 190,812,428.12 and 75,546,259.27

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Solution

The fourth proportional to 138,271,511.16, 190,812,428.12 and 75,546,259.27 is: 104,252,604.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,271,511.16 : 190,812,428.12 = 75,546,259.27 : x
  2. Step 2: Convert to fraction form
    138,271,511.16/190,812,428.12 = 75,546,259.27/x
  3. Step 3: Cross multiply
    138,271,511.16x = 190,812,428.12 × 75,546,259.27
  4. Step 4: Simplify right side
    138,271,511.16x = 14,415,165,166,403,594
  5. Step 5: Solve for x
    x = 14,415,165,166,403,594/138,271,511.16
  6. Step 6: Final answer
    x = 104,252,604.50

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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.