Home / 192,458,779.20-288,121,298.40-181,247,342.40

Finding the Fourth Proportional to 192,458,779.20, 288,121,298.40 and 181,247,342.40

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Solution

The fourth proportional to 192,458,779.20, 288,121,298.40 and 181,247,342.40 is: 271,337,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,458,779.20 : 288,121,298.40 = 181,247,342.40 : x
  2. Step 2: Convert to fraction form
    192,458,779.20/288,121,298.40 = 181,247,342.40/x
  3. Step 3: Cross multiply
    192,458,779.20x = 288,121,298.40 × 181,247,342.40
  4. Step 4: Simplify right side
    192,458,779.20x = 52,221,219,623,837,368
  5. Step 5: Solve for x
    x = 52,221,219,623,837,368/192,458,779.20
  6. Step 6: Final answer
    x = 271,337,165.50

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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.