Home / 282,248,953.74-423,297,847.86-77,728,411.98

Finding the Fourth Proportional to 282,248,953.74, 423,297,847.86 and 77,728,411.98

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Solution

The fourth proportional to 282,248,953.74, 423,297,847.86 and 77,728,411.98 is: 116,571,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,248,953.74 : 423,297,847.86 = 77,728,411.98 : x
  2. Step 2: Convert to fraction form
    282,248,953.74/423,297,847.86 = 77,728,411.98/x
  3. Step 3: Cross multiply
    282,248,953.74x = 423,297,847.86 × 77,728,411.98
  4. Step 4: Simplify right side
    282,248,953.74x = 32,902,269,508,709,444
  5. Step 5: Solve for x
    x = 32,902,269,508,709,444/282,248,953.74
  6. Step 6: Final answer
    x = 116,571,803.27

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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.