Home / 368,959,153.20-553,439,780.45-106,665,056.76

Finding the Fourth Proportional to 368,959,153.20, 553,439,780.45 and 106,665,056.76

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Solution

The fourth proportional to 368,959,153.20, 553,439,780.45 and 106,665,056.76 is: 159,997,888.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,959,153.20 : 553,439,780.45 = 106,665,056.76 : x
  2. Step 2: Convert to fraction form
    368,959,153.20/553,439,780.45 = 106,665,056.76/x
  3. Step 3: Cross multiply
    368,959,153.20x = 553,439,780.45 × 106,665,056.76
  4. Step 4: Simplify right side
    368,959,153.20x = 59,032,685,596,883,256
  5. Step 5: Solve for x
    x = 59,032,685,596,883,256/368,959,153.20
  6. Step 6: Final answer
    x = 159,997,888.89

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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.