Home / 119,038,843.38-164,291,533.02-72,656,050.80

Finding the Fourth Proportional to 119,038,843.38, 164,291,533.02 and 72,656,050.80

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Solution

The fourth proportional to 119,038,843.38, 164,291,533.02 and 72,656,050.80 is: 100,276,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,038,843.38 : 164,291,533.02 = 72,656,050.80 : x
  2. Step 2: Convert to fraction form
    119,038,843.38/164,291,533.02 = 72,656,050.80/x
  3. Step 3: Cross multiply
    119,038,843.38x = 164,291,533.02 × 72,656,050.80
  4. Step 4: Simplify right side
    119,038,843.38x = 11,936,773,969,110,998
  5. Step 5: Solve for x
    x = 11,936,773,969,110,998/119,038,843.38
  6. Step 6: Final answer
    x = 100,276,293.27

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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.