Home / 140,018,673.70-210,028,010.55-37,782,547.30

Finding the Fourth Proportional to 140,018,673.70, 210,028,010.55 and 37,782,547.30

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Solution

The fourth proportional to 140,018,673.70, 210,028,010.55 and 37,782,547.30 is: 56,673,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,018,673.70 : 210,028,010.55 = 37,782,547.30 : x
  2. Step 2: Convert to fraction form
    140,018,673.70/210,028,010.55 = 37,782,547.30/x
  3. Step 3: Cross multiply
    140,018,673.70x = 210,028,010.55 × 37,782,547.30
  4. Step 4: Simplify right side
    140,018,673.70x = 7,935,393,242,930,274
  5. Step 5: Solve for x
    x = 7,935,393,242,930,274/140,018,673.70
  6. Step 6: Final answer
    x = 56,673,820.95

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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.