Home / 124,767,678.60-187,164,024.30-42,875,771.40

Finding the Fourth Proportional to 124,767,678.60, 187,164,024.30 and 42,875,771.40

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Solution

The fourth proportional to 124,767,678.60, 187,164,024.30 and 42,875,771.40 is: 64,317,954.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,767,678.60 : 187,164,024.30 = 42,875,771.40 : x
  2. Step 2: Convert to fraction form
    124,767,678.60/187,164,024.30 = 42,875,771.40/x
  3. Step 3: Cross multiply
    124,767,678.60x = 187,164,024.30 × 42,875,771.40
  4. Step 4: Simplify right side
    124,767,678.60x = 8,024,801,920,190,845
  5. Step 5: Solve for x
    x = 8,024,801,920,190,845/124,767,678.60
  6. Step 6: Final answer
    x = 64,317,954.86

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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.