Home / 288,684,877.80-433,151,732.70-167,619,815.40

Finding the Fourth Proportional to 288,684,877.80, 433,151,732.70 and 167,619,815.40

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Solution

The fourth proportional to 288,684,877.80, 433,151,732.70 and 167,619,815.40 is: 251,501,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,684,877.80 : 433,151,732.70 = 167,619,815.40 : x
  2. Step 2: Convert to fraction form
    288,684,877.80/433,151,732.70 = 167,619,815.40/x
  3. Step 3: Cross multiply
    288,684,877.80x = 433,151,732.70 × 167,619,815.40
  4. Step 4: Simplify right side
    288,684,877.80x = 72,604,813,475,364,144
  5. Step 5: Solve for x
    x = 72,604,813,475,364,144/288,684,877.80
  6. Step 6: Final answer
    x = 251,501,963.07

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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.