Home / 12,103,063,448.31-18,160,111,355.45-6,211,759,808.61

Finding the Fourth Proportional to 12,103,063,448.31, 18,160,111,355.45 and 6,211,759,808.61

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Solution

The fourth proportional to 12,103,063,448.31, 18,160,111,355.45 and 6,211,759,808.61 is: 9,320,470,831.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103,063,448.31 : 18,160,111,355.45 = 6,211,759,808.61 : x
  2. Step 2: Convert to fraction form
    12,103,063,448.31/18,160,111,355.45 = 6,211,759,808.61/x
  3. Step 3: Cross multiply
    12,103,063,448.31x = 18,160,111,355.45 × 6,211,759,808.61
  4. Step 4: Simplify right side
    12,103,063,448.31x = 112,806,249,837,635,305,472
  5. Step 5: Solve for x
    x = 112,806,249,837,635,305,472/12,103,063,448.31
  6. Step 6: Final answer
    x = 9,320,470,831.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.