Home / 109,165,145.60-163,299,820.80-98,415,603.20

Finding the Fourth Proportional to 109,165,145.60, 163,299,820.80 and 98,415,603.20

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Solution

The fourth proportional to 109,165,145.60, 163,299,820.80 and 98,415,603.20 is: 147,219,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,165,145.60 : 163,299,820.80 = 98,415,603.20 : x
  2. Step 2: Convert to fraction form
    109,165,145.60/163,299,820.80 = 98,415,603.20/x
  3. Step 3: Cross multiply
    109,165,145.60x = 163,299,820.80 × 98,415,603.20
  4. Step 4: Simplify right side
    109,165,145.60x = 16,071,250,366,483,908
  5. Step 5: Solve for x
    x = 16,071,250,366,483,908/109,165,145.60
  6. Step 6: Final answer
    x = 147,219,611.88

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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.