Home / 291,357,699.40-436,966,565.10-168,269,840.20

Finding the Fourth Proportional to 291,357,699.40, 436,966,565.10 and 168,269,840.20

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Solution

The fourth proportional to 291,357,699.40, 436,966,565.10 and 168,269,840.20 is: 252,364,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,357,699.40 : 436,966,565.10 = 168,269,840.20 : x
  2. Step 2: Convert to fraction form
    291,357,699.40/436,966,565.10 = 168,269,840.20/x
  3. Step 3: Cross multiply
    291,357,699.40x = 436,966,565.10 × 168,269,840.20
  4. Step 4: Simplify right side
    291,357,699.40x = 73,528,294,082,119,888
  5. Step 5: Solve for x
    x = 73,528,294,082,119,888/291,357,699.40
  6. Step 6: Final answer
    x = 252,364,341.95

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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.