Home / 209,953,010.15-314,929,515.23-118,120,005.35

Finding the Fourth Proportional to 209,953,010.15, 314,929,515.23 and 118,120,005.35

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Solution

The fourth proportional to 209,953,010.15, 314,929,515.23 and 118,120,005.35 is: 177,180,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,010.15 : 314,929,515.23 = 118,120,005.35 : x
  2. Step 2: Convert to fraction form
    209,953,010.15/314,929,515.23 = 118,120,005.35/x
  3. Step 3: Cross multiply
    209,953,010.15x = 314,929,515.23 × 118,120,005.35
  4. Step 4: Simplify right side
    209,953,010.15x = 37,199,476,023,840,504
  5. Step 5: Solve for x
    x = 37,199,476,023,840,504/209,953,010.15
  6. Step 6: Final answer
    x = 177,180,008.03

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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.