Home / 209,959,610.80-314,939,416.20-56,621,167.60

Finding the Fourth Proportional to 209,959,610.80, 314,939,416.20 and 56,621,167.60

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Solution

The fourth proportional to 209,959,610.80, 314,939,416.20 and 56,621,167.60 is: 84,931,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,959,610.80 : 314,939,416.20 = 56,621,167.60 : x
  2. Step 2: Convert to fraction form
    209,959,610.80/314,939,416.20 = 56,621,167.60/x
  3. Step 3: Cross multiply
    209,959,610.80x = 314,939,416.20 × 56,621,167.60
  4. Step 4: Simplify right side
    209,959,610.80x = 17,832,237,468,506,354
  5. Step 5: Solve for x
    x = 17,832,237,468,506,354/209,959,610.80
  6. Step 6: Final answer
    x = 84,931,751.40

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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.