Home / 119,740,071.20-179,610,106.80-38,961,039.20

Finding the Fourth Proportional to 119,740,071.20, 179,610,106.80 and 38,961,039.20

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Solution

The fourth proportional to 119,740,071.20, 179,610,106.80 and 38,961,039.20 is: 58,441,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,740,071.20 : 179,610,106.80 = 38,961,039.20 : x
  2. Step 2: Convert to fraction form
    119,740,071.20/179,610,106.80 = 38,961,039.20/x
  3. Step 3: Cross multiply
    119,740,071.20x = 179,610,106.80 × 38,961,039.20
  4. Step 4: Simplify right side
    119,740,071.20x = 6,997,796,411,750,988
  5. Step 5: Solve for x
    x = 6,997,796,411,750,988/119,740,071.20
  6. Step 6: Final answer
    x = 58,441,558.80

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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.