Home / 257,554,066.37-355,517,062.10-153,131,888.58

Finding the Fourth Proportional to 257,554,066.37, 355,517,062.10 and 153,131,888.58

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Solution

The fourth proportional to 257,554,066.37, 355,517,062.10 and 153,131,888.58 is: 211,376,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,554,066.37 : 355,517,062.10 = 153,131,888.58 : x
  2. Step 2: Convert to fraction form
    257,554,066.37/355,517,062.10 = 153,131,888.58/x
  3. Step 3: Cross multiply
    257,554,066.37x = 355,517,062.10 × 153,131,888.58
  4. Step 4: Simplify right side
    257,554,066.37x = 54,440,999,141,020,488
  5. Step 5: Solve for x
    x = 54,440,999,141,020,488/257,554,066.37
  6. Step 6: Final answer
    x = 211,376,973.81

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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.