Home / 143,134,429.86-214,701,644.80-120,963,498.66

Finding the Fourth Proportional to 143,134,429.86, 214,701,644.80 and 120,963,498.66

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Solution

The fourth proportional to 143,134,429.86, 214,701,644.80 and 120,963,498.66 is: 181,445,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,134,429.86 : 214,701,644.80 = 120,963,498.66 : x
  2. Step 2: Convert to fraction form
    143,134,429.86/214,701,644.80 = 120,963,498.66/x
  3. Step 3: Cross multiply
    143,134,429.86x = 214,701,644.80 × 120,963,498.66
  4. Step 4: Simplify right side
    143,134,429.86x = 25,971,062,123,064,596
  5. Step 5: Solve for x
    x = 25,971,062,123,064,596/143,134,429.86
  6. Step 6: Final answer
    x = 181,445,248.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.