Home / 141,884,712.49-195,806,714.57-89,654,691.01

Finding the Fourth Proportional to 141,884,712.49, 195,806,714.57 and 89,654,691.01

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Solution

The fourth proportional to 141,884,712.49, 195,806,714.57 and 89,654,691.01 is: 123,727,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,884,712.49 : 195,806,714.57 = 89,654,691.01 : x
  2. Step 2: Convert to fraction form
    141,884,712.49/195,806,714.57 = 89,654,691.01/x
  3. Step 3: Cross multiply
    141,884,712.49x = 195,806,714.57 × 89,654,691.01
  4. Step 4: Simplify right side
    141,884,712.49x = 17,554,990,492,456,616
  5. Step 5: Solve for x
    x = 17,554,990,492,456,616/141,884,712.49
  6. Step 6: Final answer
    x = 123,727,145.68

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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.