Home / 154,748,718.35-213,554,618.32-84,185,866.13

Finding the Fourth Proportional to 154,748,718.35, 213,554,618.32 and 84,185,866.13

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Solution

The fourth proportional to 154,748,718.35, 213,554,618.32 and 84,185,866.13 is: 116,177,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,748,718.35 : 213,554,618.32 = 84,185,866.13 : x
  2. Step 2: Convert to fraction form
    154,748,718.35/213,554,618.32 = 84,185,866.13/x
  3. Step 3: Cross multiply
    154,748,718.35x = 213,554,618.32 × 84,185,866.13
  4. Step 4: Simplify right side
    154,748,718.35x = 17,978,280,509,411,200
  5. Step 5: Solve for x
    x = 17,978,280,509,411,200/154,748,718.35
  6. Step 6: Final answer
    x = 116,177,249.81

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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.