Home / 261,148,317.06-360,384,661.08-143,671,127.07

Finding the Fourth Proportional to 261,148,317.06, 360,384,661.08 and 143,671,127.07

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Solution

The fourth proportional to 261,148,317.06, 360,384,661.08 and 143,671,127.07 is: 198,266,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,148,317.06 : 360,384,661.08 = 143,671,127.07 : x
  2. Step 2: Convert to fraction form
    261,148,317.06/360,384,661.08 = 143,671,127.07/x
  3. Step 3: Cross multiply
    261,148,317.06x = 360,384,661.08 × 143,671,127.07
  4. Step 4: Simplify right side
    261,148,317.06x = 51,776,870,436,103,560
  5. Step 5: Solve for x
    x = 51,776,870,436,103,560/261,148,317.06
  6. Step 6: Final answer
    x = 198,266,146.30

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1.5x scale

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.