Home / 181,378,368.55-272,014,844.28-70,689,403.45

Finding the Fourth Proportional to 181,378,368.55, 272,014,844.28 and 70,689,403.45

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Solution

The fourth proportional to 181,378,368.55, 272,014,844.28 and 70,689,403.45 is: 106,013,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,378,368.55 : 272,014,844.28 = 70,689,403.45 : x
  2. Step 2: Convert to fraction form
    181,378,368.55/272,014,844.28 = 70,689,403.45/x
  3. Step 3: Cross multiply
    181,378,368.55x = 272,014,844.28 × 70,689,403.45
  4. Step 4: Simplify right side
    181,378,368.55x = 19,228,567,071,697,844
  5. Step 5: Solve for x
    x = 19,228,567,071,697,844/181,378,368.55
  6. Step 6: Final answer
    x = 106,013,562.84

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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.