Home / 109,009,927.20-163,582,965.08-72,643,835.08

Finding the Fourth Proportional to 109,009,927.20, 163,582,965.08 and 72,643,835.08

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Solution

The fourth proportional to 109,009,927.20, 163,582,965.08 and 72,643,835.08 is: 109,011,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,009,927.20 : 163,582,965.08 = 72,643,835.08 : x
  2. Step 2: Convert to fraction form
    109,009,927.20/163,582,965.08 = 72,643,835.08/x
  3. Step 3: Cross multiply
    109,009,927.20x = 163,582,965.08 × 72,643,835.08
  4. Step 4: Simplify right side
    109,009,927.20x = 11,883,293,937,168,920
  5. Step 5: Solve for x
    x = 11,883,293,937,168,920/109,009,927.20
  6. Step 6: Final answer
    x = 109,011,117.08

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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.