Home / 114,456,779.46-157,985,920.26-90,976,979.18

Finding the Fourth Proportional to 114,456,779.46, 157,985,920.26 and 90,976,979.18

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Solution

The fourth proportional to 114,456,779.46, 157,985,920.26 and 90,976,979.18 is: 125,576,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,456,779.46 : 157,985,920.26 = 90,976,979.18 : x
  2. Step 2: Convert to fraction form
    114,456,779.46/157,985,920.26 = 90,976,979.18/x
  3. Step 3: Cross multiply
    114,456,779.46x = 157,985,920.26 × 90,976,979.18
  4. Step 4: Simplify right side
    114,456,779.46x = 14,373,081,778,622,124
  5. Step 5: Solve for x
    x = 14,373,081,778,622,124/114,456,779.46
  6. Step 6: Final answer
    x = 125,576,500.11

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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.