Home / 65,921,465.29-98,872,572.74-19,222,402.18

Finding the Fourth Proportional to 65,921,465.29, 98,872,572.74 and 19,222,402.18

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Solution

The fourth proportional to 65,921,465.29, 98,872,572.74 and 19,222,402.18 is: 28,830,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,921,465.29 : 98,872,572.74 = 19,222,402.18 : x
  2. Step 2: Convert to fraction form
    65,921,465.29/98,872,572.74 = 19,222,402.18/x
  3. Step 3: Cross multiply
    65,921,465.29x = 98,872,572.74 × 19,222,402.18
  4. Step 4: Simplify right side
    65,921,465.29x = 1,900,568,357,779,584.50
  5. Step 5: Solve for x
    x = 1,900,568,357,779,584.50/65,921,465.29
  6. Step 6: Final answer
    x = 28,830,796.61

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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.