Home / 258,112,303.35-356,195,029.70-140,637,633.66

Finding the Fourth Proportional to 258,112,303.35, 356,195,029.70 and 140,637,633.66

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Solution

The fourth proportional to 258,112,303.35, 356,195,029.70 and 140,637,633.66 is: 194,079,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,112,303.35 : 356,195,029.70 = 140,637,633.66 : x
  2. Step 2: Convert to fraction form
    258,112,303.35/356,195,029.70 = 140,637,633.66/x
  3. Step 3: Cross multiply
    258,112,303.35x = 356,195,029.70 × 140,637,633.66
  4. Step 4: Simplify right side
    258,112,303.35x = 50,094,426,097,808,544
  5. Step 5: Solve for x
    x = 50,094,426,097,808,544/258,112,303.35
  6. Step 6: Final answer
    x = 194,079,962.28

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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.