Home / 72,312,492.24-99,797,393.79-40,956,119.28

Finding the Fourth Proportional to 72,312,492.24, 99,797,393.79 and 40,956,119.28

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Solution

The fourth proportional to 72,312,492.24, 99,797,393.79 and 40,956,119.28 is: 56,522,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,312,492.24 : 99,797,393.79 = 40,956,119.28 : x
  2. Step 2: Convert to fraction form
    72,312,492.24/99,797,393.79 = 40,956,119.28/x
  3. Step 3: Cross multiply
    72,312,492.24x = 99,797,393.79 × 40,956,119.28
  4. Step 4: Simplify right side
    72,312,492.24x = 4,087,313,963,896,371.50
  5. Step 5: Solve for x
    x = 4,087,313,963,896,371.50/72,312,492.24
  6. Step 6: Final answer
    x = 56,522,930.37

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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.