Home / 162,395,267.80-243,010,994.72-140,610,779.50

Finding the Fourth Proportional to 162,395,267.80, 243,010,994.72 and 140,610,779.50

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Solution

The fourth proportional to 162,395,267.80, 243,010,994.72 and 140,610,779.50 is: 210,412,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,395,267.80 : 243,010,994.72 = 140,610,779.50 : x
  2. Step 2: Convert to fraction form
    162,395,267.80/243,010,994.72 = 140,610,779.50/x
  3. Step 3: Cross multiply
    162,395,267.80x = 243,010,994.72 × 140,610,779.50
  4. Step 4: Simplify right side
    162,395,267.80x = 34,169,965,394,649,584
  5. Step 5: Solve for x
    x = 34,169,965,394,649,584/162,395,267.80
  6. Step 6: Final answer
    x = 210,412,322.09

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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.