Home / 291,492,074.40-437,242,777.20-76,081,322.40

Finding the Fourth Proportional to 291,492,074.40, 437,242,777.20 and 76,081,322.40

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Solution

The fourth proportional to 291,492,074.40, 437,242,777.20 and 76,081,322.40 is: 114,123,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,492,074.40 : 437,242,777.20 = 76,081,322.40 : x
  2. Step 2: Convert to fraction form
    291,492,074.40/437,242,777.20 = 76,081,322.40/x
  3. Step 3: Cross multiply
    291,492,074.40x = 437,242,777.20 × 76,081,322.40
  4. Step 4: Simplify right side
    291,492,074.40x = 33,266,008,699,224,572
  5. Step 5: Solve for x
    x = 33,266,008,699,224,572/291,492,074.40
  6. Step 6: Final answer
    x = 114,123,201.35

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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.