Home / 140,648,725.48-210,964,916.94-42,278,307.88

Finding the Fourth Proportional to 140,648,725.48, 210,964,916.94 and 42,278,307.88

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Solution

The fourth proportional to 140,648,725.48, 210,964,916.94 and 42,278,307.88 is: 63,415,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,648,725.48 : 210,964,916.94 = 42,278,307.88 : x
  2. Step 2: Convert to fraction form
    140,648,725.48/210,964,916.94 = 42,278,307.88/x
  3. Step 3: Cross multiply
    140,648,725.48x = 210,964,916.94 × 42,278,307.88
  4. Step 4: Simplify right side
    140,648,725.48x = 8,919,239,710,267,948
  5. Step 5: Solve for x
    x = 8,919,239,710,267,948/140,648,725.48
  6. Step 6: Final answer
    x = 63,415,005.57

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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.