Home / 157,522,112.10-235,905,254.55-76,648,601.70

Finding the Fourth Proportional to 157,522,112.10, 235,905,254.55 and 76,648,601.70

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Solution

The fourth proportional to 157,522,112.10, 235,905,254.55 and 76,648,601.70 is: 114,789,013.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,522,112.10 : 235,905,254.55 = 76,648,601.70 : x
  2. Step 2: Convert to fraction form
    157,522,112.10/235,905,254.55 = 76,648,601.70/x
  3. Step 3: Cross multiply
    157,522,112.10x = 235,905,254.55 × 76,648,601.70
  4. Step 4: Simplify right side
    157,522,112.10x = 18,081,807,894,940,064
  5. Step 5: Solve for x
    x = 18,081,807,894,940,064/157,522,112.10
  6. Step 6: Final answer
    x = 114,789,013.77

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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.