Home / 209,952,159.60-314,928,239.40-193,323,961.20

Finding the Fourth Proportional to 209,952,159.60, 314,928,239.40 and 193,323,961.20

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Solution

The fourth proportional to 209,952,159.60, 314,928,239.40 and 193,323,961.20 is: 289,985,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,159.60 : 314,928,239.40 = 193,323,961.20 : x
  2. Step 2: Convert to fraction form
    209,952,159.60/314,928,239.40 = 193,323,961.20/x
  3. Step 3: Cross multiply
    209,952,159.60x = 314,928,239.40 × 193,323,961.20
  4. Step 4: Simplify right side
    209,952,159.60x = 60,883,174,734,549,904
  5. Step 5: Solve for x
    x = 60,883,174,734,549,904/209,952,159.60
  6. Step 6: Final answer
    x = 289,985,941.80

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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.