Home / 200,272,215.60-300,408,323.40-122,788,117.80

Finding the Fourth Proportional to 200,272,215.60, 300,408,323.40 and 122,788,117.80

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Solution

The fourth proportional to 200,272,215.60, 300,408,323.40 and 122,788,117.80 is: 184,182,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,272,215.60 : 300,408,323.40 = 122,788,117.80 : x
  2. Step 2: Convert to fraction form
    200,272,215.60/300,408,323.40 = 122,788,117.80/x
  3. Step 3: Cross multiply
    200,272,215.60x = 300,408,323.40 × 122,788,117.80
  4. Step 4: Simplify right side
    200,272,215.60x = 36,886,572,601,739,696
  5. Step 5: Solve for x
    x = 36,886,572,601,739,696/200,272,215.60
  6. Step 6: Final answer
    x = 184,182,176.70

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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.