Home / 140,086,779.70-210,130,169.55-49,210,368.70

Finding the Fourth Proportional to 140,086,779.70, 210,130,169.55 and 49,210,368.70

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Solution

The fourth proportional to 140,086,779.70, 210,130,169.55 and 49,210,368.70 is: 73,815,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,086,779.70 : 210,130,169.55 = 49,210,368.70 : x
  2. Step 2: Convert to fraction form
    140,086,779.70/210,130,169.55 = 49,210,368.70/x
  3. Step 3: Cross multiply
    140,086,779.70x = 210,130,169.55 × 49,210,368.70
  4. Step 4: Simplify right side
    140,086,779.70x = 10,340,583,118,549,014
  5. Step 5: Solve for x
    x = 10,340,583,118,549,014/140,086,779.70
  6. Step 6: Final answer
    x = 73,815,553.05

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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.