Home / 130,824,679.28-180,545,984.63-72,087,273.32

Finding the Fourth Proportional to 130,824,679.28, 180,545,984.63 and 72,087,273.32

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Solution

The fourth proportional to 130,824,679.28, 180,545,984.63 and 72,087,273.32 is: 99,484,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,824,679.28 : 180,545,984.63 = 72,087,273.32 : x
  2. Step 2: Convert to fraction form
    130,824,679.28/180,545,984.63 = 72,087,273.32/x
  3. Step 3: Cross multiply
    130,824,679.28x = 180,545,984.63 × 72,087,273.32
  4. Step 4: Simplify right side
    130,824,679.28x = 13,015,067,739,588,162
  5. Step 5: Solve for x
    x = 13,015,067,739,588,162/130,824,679.28
  6. Step 6: Final answer
    x = 99,484,805.25

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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.