Home / 209,939,239.20-314,908,858.80-73,575,415.20

Finding the Fourth Proportional to 209,939,239.20, 314,908,858.80 and 73,575,415.20

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Solution

The fourth proportional to 209,939,239.20, 314,908,858.80 and 73,575,415.20 is: 110,363,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,939,239.20 : 314,908,858.80 = 73,575,415.20 : x
  2. Step 2: Convert to fraction form
    209,939,239.20/314,908,858.80 = 73,575,415.20/x
  3. Step 3: Cross multiply
    209,939,239.20x = 314,908,858.80 × 73,575,415.20
  4. Step 4: Simplify right side
    209,939,239.20x = 23,169,550,036,368,176
  5. Step 5: Solve for x
    x = 23,169,550,036,368,176/209,939,239.20
  6. Step 6: Final answer
    x = 110,363,122.80

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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.