Home / 72,037,378.60-99,411,613.22-38,997,626.94

Finding the Fourth Proportional to 72,037,378.60, 99,411,613.22 and 38,997,626.94

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Solution

The fourth proportional to 72,037,378.60, 99,411,613.22 and 38,997,626.94 is: 53,816,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,037,378.60 : 99,411,613.22 = 38,997,626.94 : x
  2. Step 2: Convert to fraction form
    72,037,378.60/99,411,613.22 = 38,997,626.94/x
  3. Step 3: Cross multiply
    72,037,378.60x = 99,411,613.22 × 38,997,626.94
  4. Step 4: Simplify right side
    72,037,378.60x = 3,876,817,005,857,132
  5. Step 5: Solve for x
    x = 3,876,817,005,857,132/72,037,378.60
  6. Step 6: Final answer
    x = 53,816,741.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.