Home / 100,849,579.30-151,274,368.95-86,500,672.30

Finding the Fourth Proportional to 100,849,579.30, 151,274,368.95 and 86,500,672.30

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Solution

The fourth proportional to 100,849,579.30, 151,274,368.95 and 86,500,672.30 is: 129,751,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,849,579.30 : 151,274,368.95 = 86,500,672.30 : x
  2. Step 2: Convert to fraction form
    100,849,579.30/151,274,368.95 = 86,500,672.30/x
  3. Step 3: Cross multiply
    100,849,579.30x = 151,274,368.95 × 86,500,672.30
  4. Step 4: Simplify right side
    100,849,579.30x = 13,085,334,615,933,244
  5. Step 5: Solve for x
    x = 13,085,334,615,933,244/100,849,579.30
  6. Step 6: Final answer
    x = 129,751,008.45

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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.