Home / 205,431,878.64-283,465,730.34-124,922,802.18

Finding the Fourth Proportional to 205,431,878.64, 283,465,730.34 and 124,922,802.18

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Solution

The fourth proportional to 205,431,878.64, 283,465,730.34 and 124,922,802.18 is: 172,375,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,431,878.64 : 283,465,730.34 = 124,922,802.18 : x
  2. Step 2: Convert to fraction form
    205,431,878.64/283,465,730.34 = 124,922,802.18/x
  3. Step 3: Cross multiply
    205,431,878.64x = 283,465,730.34 × 124,922,802.18
  4. Step 4: Simplify right side
    205,431,878.64x = 35,411,333,356,073,044
  5. Step 5: Solve for x
    x = 35,411,333,356,073,044/205,431,878.64
  6. Step 6: Final answer
    x = 172,375,064.62

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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.