Home / 80,779,032,118.80-121,168,548,178.20-36,699,189,814.80

Finding the Fourth Proportional to 80,779,032,118.80, 121,168,548,178.20 and 36,699,189,814.80

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Solution

The fourth proportional to 80,779,032,118.80, 121,168,548,178.20 and 36,699,189,814.80 is: 55,048,784,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779,032,118.80 : 121,168,548,178.20 = 36,699,189,814.80 : x
  2. Step 2: Convert to fraction form
    80,779,032,118.80/121,168,548,178.20 = 36,699,189,814.80/x
  3. Step 3: Cross multiply
    80,779,032,118.80x = 121,168,548,178.20 × 36,699,189,814.80
  4. Step 4: Simplify right side
    80,779,032,118.80x = 4,446,787,549,175,500,767,232
  5. Step 5: Solve for x
    x = 4,446,787,549,175,500,767,232/80,779,032,118.80
  6. Step 6: Final answer
    x = 55,048,784,722.20

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1.5x scale

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.