Home / 252,907,767.12-349,008,177.48-142,897,118.16

Finding the Fourth Proportional to 252,907,767.12, 349,008,177.48 and 142,897,118.16

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Solution

The fourth proportional to 252,907,767.12, 349,008,177.48 and 142,897,118.16 is: 197,195,457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,907,767.12 : 349,008,177.48 = 142,897,118.16 : x
  2. Step 2: Convert to fraction form
    252,907,767.12/349,008,177.48 = 142,897,118.16/x
  3. Step 3: Cross multiply
    252,907,767.12x = 349,008,177.48 × 142,897,118.16
  4. Step 4: Simplify right side
    252,907,767.12x = 49,872,262,776,165,816
  5. Step 5: Solve for x
    x = 49,872,262,776,165,816/252,907,767.12
  6. Step 6: Final answer
    x = 197,195,457.24

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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.