Home / 138,879,804.48-208,354,299.59-98,018,979.04

Finding the Fourth Proportional to 138,879,804.48, 208,354,299.59 and 98,018,979.04

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Solution

The fourth proportional to 138,879,804.48, 208,354,299.59 and 98,018,979.04 is: 147,052,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,879,804.48 : 208,354,299.59 = 98,018,979.04 : x
  2. Step 2: Convert to fraction form
    138,879,804.48/208,354,299.59 = 98,018,979.04/x
  3. Step 3: Cross multiply
    138,879,804.48x = 208,354,299.59 × 98,018,979.04
  4. Step 4: Simplify right side
    138,879,804.48x = 20,422,675,724,406,092
  5. Step 5: Solve for x
    x = 20,422,675,724,406,092/138,879,804.48
  6. Step 6: Final answer
    x = 147,052,883.61

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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.