Home / 142,833,421.47-196,910,871.08-95,798,900.07

Finding the Fourth Proportional to 142,833,421.47, 196,910,871.08 and 95,798,900.07

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Solution

The fourth proportional to 142,833,421.47, 196,910,871.08 and 95,798,900.07 is: 132,068,844.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,833,421.47 : 196,910,871.08 = 95,798,900.07 : x
  2. Step 2: Convert to fraction form
    142,833,421.47/196,910,871.08 = 95,798,900.07/x
  3. Step 3: Cross multiply
    142,833,421.47x = 196,910,871.08 × 95,798,900.07
  4. Step 4: Simplify right side
    142,833,421.47x = 18,863,844,860,810,576
  5. Step 5: Solve for x
    x = 18,863,844,860,810,576/142,833,421.47
  6. Step 6: Final answer
    x = 132,068,844.02

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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.