Home / 152,090,323.92-209,884,702.77-82,475,686.35

Finding the Fourth Proportional to 152,090,323.92, 209,884,702.77 and 82,475,686.35

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Solution

The fourth proportional to 152,090,323.92, 209,884,702.77 and 82,475,686.35 is: 113,816,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,090,323.92 : 209,884,702.77 = 82,475,686.35 : x
  2. Step 2: Convert to fraction form
    152,090,323.92/209,884,702.77 = 82,475,686.35/x
  3. Step 3: Cross multiply
    152,090,323.92x = 209,884,702.77 × 82,475,686.35
  4. Step 4: Simplify right side
    152,090,323.92x = 17,310,384,915,321,496
  5. Step 5: Solve for x
    x = 17,310,384,915,321,496/152,090,323.92
  6. Step 6: Final answer
    x = 113,816,477.40

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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.