Home / 430,971,214.77-646,456,827.69-103,446,727.16

Finding the Fourth Proportional to 430,971,214.77, 646,456,827.69 and 103,446,727.16

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Solution

The fourth proportional to 430,971,214.77, 646,456,827.69 and 103,446,727.16 is: 155,170,092.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,971,214.77 : 646,456,827.69 = 103,446,727.16 : x
  2. Step 2: Convert to fraction form
    430,971,214.77/646,456,827.69 = 103,446,727.16/x
  3. Step 3: Cross multiply
    430,971,214.77x = 646,456,827.69 × 103,446,727.16
  4. Step 4: Simplify right side
    430,971,214.77x = 66,873,843,071,534,288
  5. Step 5: Solve for x
    x = 66,873,843,071,534,288/430,971,214.77
  6. Step 6: Final answer
    x = 155,170,092.06

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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.