Home / 288,717,549.12-433,101,783.09-81,457,773.45

Finding the Fourth Proportional to 288,717,549.12, 433,101,783.09 and 81,457,773.45

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Solution

The fourth proportional to 288,717,549.12, 433,101,783.09 and 81,457,773.45 is: 122,193,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,717,549.12 : 433,101,783.09 = 81,457,773.45 : x
  2. Step 2: Convert to fraction form
    288,717,549.12/433,101,783.09 = 81,457,773.45/x
  3. Step 3: Cross multiply
    288,717,549.12x = 433,101,783.09 × 81,457,773.45
  4. Step 4: Simplify right side
    288,717,549.12x = 35,279,506,927,736,260
  5. Step 5: Solve for x
    x = 35,279,506,927,736,260/288,717,549.12
  6. Step 6: Final answer
    x = 122,193,843.21

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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.