Home / 72,748,986.17-100,378,614.26-41,803,176.74

Finding the Fourth Proportional to 72,748,986.17, 100,378,614.26 and 41,803,176.74

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Solution

The fourth proportional to 72,748,986.17, 100,378,614.26 and 41,803,176.74 is: 57,679,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,748,986.17 : 100,378,614.26 = 41,803,176.74 : x
  2. Step 2: Convert to fraction form
    72,748,986.17/100,378,614.26 = 41,803,176.74/x
  3. Step 3: Cross multiply
    72,748,986.17x = 100,378,614.26 × 41,803,176.74
  4. Step 4: Simplify right side
    72,748,986.17x = 4,196,144,952,429,679
  5. Step 5: Solve for x
    x = 4,196,144,952,429,679/72,748,986.17
  6. Step 6: Final answer
    x = 57,679,772.24

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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.