Home / 70,220,831.12-96,908,513.64-39,279,155.12

Finding the Fourth Proportional to 70,220,831.12, 96,908,513.64 and 39,279,155.12

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Solution

The fourth proportional to 70,220,831.12, 96,908,513.64 and 39,279,155.12 is: 54,207,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220,831.12 : 96,908,513.64 = 39,279,155.12 : x
  2. Step 2: Convert to fraction form
    70,220,831.12/96,908,513.64 = 39,279,155.12/x
  3. Step 3: Cross multiply
    70,220,831.12x = 96,908,513.64 × 39,279,155.12
  4. Step 4: Simplify right side
    70,220,831.12x = 3,806,484,539,714,195.50
  5. Step 5: Solve for x
    x = 3,806,484,539,714,195.50/70,220,831.12
  6. Step 6: Final answer
    x = 54,207,341.03

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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.