Home / 268,786,801.08-402,852,653.40-139,323,036.60

Finding the Fourth Proportional to 268,786,801.08, 402,852,653.40 and 139,323,036.60

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Solution

The fourth proportional to 268,786,801.08, 402,852,653.40 and 139,323,036.60 is: 208,814,773.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,786,801.08 : 402,852,653.40 = 139,323,036.60 : x
  2. Step 2: Convert to fraction form
    268,786,801.08/402,852,653.40 = 139,323,036.60/x
  3. Step 3: Cross multiply
    268,786,801.08x = 402,852,653.40 × 139,323,036.60
  4. Step 4: Simplify right side
    268,786,801.08x = 56,126,654,974,055,312
  5. Step 5: Solve for x
    x = 56,126,654,974,055,312/268,786,801.08
  6. Step 6: Final answer
    x = 208,814,773.45

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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.