Home / 208,496,594.84-312,763,068.65-68,395,045.88

Finding the Fourth Proportional to 208,496,594.84, 312,763,068.65 and 68,395,045.88

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Solution

The fourth proportional to 208,496,594.84, 312,763,068.65 and 68,395,045.88 is: 102,598,531.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,496,594.84 : 312,763,068.65 = 68,395,045.88 : x
  2. Step 2: Convert to fraction form
    208,496,594.84/312,763,068.65 = 68,395,045.88/x
  3. Step 3: Cross multiply
    208,496,594.84x = 312,763,068.65 × 68,395,045.88
  4. Step 4: Simplify right side
    208,496,594.84x = 21,391,444,430,839,232
  5. Step 5: Solve for x
    x = 21,391,444,430,839,232/208,496,594.84
  6. Step 6: Final answer
    x = 102,598,531.39

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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.