Home / 205,398,975.51-283,457,441.13-112,579,721.19

Finding the Fourth Proportional to 205,398,975.51, 283,457,441.13 and 112,579,721.19

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Solution

The fourth proportional to 205,398,975.51, 283,457,441.13 and 112,579,721.19 is: 155,363,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,398,975.51 : 283,457,441.13 = 112,579,721.19 : x
  2. Step 2: Convert to fraction form
    205,398,975.51/283,457,441.13 = 112,579,721.19/x
  3. Step 3: Cross multiply
    205,398,975.51x = 283,457,441.13 × 112,579,721.19
  4. Step 4: Simplify right side
    205,398,975.51x = 31,911,559,691,646,236
  5. Step 5: Solve for x
    x = 31,911,559,691,646,236/205,398,975.51
  6. Step 6: Final answer
    x = 155,363,772.45

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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.