Home / 70,145,011.64-96,803,489.94-38,782,480.29

Finding the Fourth Proportional to 70,145,011.64, 96,803,489.94 and 38,782,480.29

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Solution

The fourth proportional to 70,145,011.64, 96,803,489.94 and 38,782,480.29 is: 53,521,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,145,011.64 : 96,803,489.94 = 38,782,480.29 : x
  2. Step 2: Convert to fraction form
    70,145,011.64/96,803,489.94 = 38,782,480.29/x
  3. Step 3: Cross multiply
    70,145,011.64x = 96,803,489.94 × 38,782,480.29
  4. Step 4: Simplify right side
    70,145,011.64x = 3,754,279,440,601,263
  5. Step 5: Solve for x
    x = 3,754,279,440,601,263/70,145,011.64
  6. Step 6: Final answer
    x = 53,521,688.19

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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.