Home / 140,648,724.98-210,964,916.19-42,278,307.38

Finding the Fourth Proportional to 140,648,724.98, 210,964,916.19 and 42,278,307.38

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Solution

The fourth proportional to 140,648,724.98, 210,964,916.19 and 42,278,307.38 is: 63,415,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,648,724.98 : 210,964,916.19 = 42,278,307.38 : x
  2. Step 2: Convert to fraction form
    140,648,724.98/210,964,916.19 = 42,278,307.38/x
  3. Step 3: Cross multiply
    140,648,724.98x = 210,964,916.19 × 42,278,307.38
  4. Step 4: Simplify right side
    140,648,724.98x = 8,919,239,573,076,759
  5. Step 5: Solve for x
    x = 8,919,239,573,076,759/140,648,724.98
  6. Step 6: Final answer
    x = 63,415,004.82

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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.