Home / 103,898,869.35-143,380,452.90-56,855,953.07

Finding the Fourth Proportional to 103,898,869.35, 143,380,452.90 and 56,855,953.07

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Solution

The fourth proportional to 103,898,869.35, 143,380,452.90 and 56,855,953.07 is: 78,461,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,898,869.35 : 143,380,452.90 = 56,855,953.07 : x
  2. Step 2: Convert to fraction form
    103,898,869.35/143,380,452.90 = 56,855,953.07/x
  3. Step 3: Cross multiply
    103,898,869.35x = 143,380,452.90 × 56,855,953.07
  4. Step 4: Simplify right side
    103,898,869.35x = 8,152,032,301,762,021
  5. Step 5: Solve for x
    x = 8,152,032,301,762,021/103,898,869.35
  6. Step 6: Final answer
    x = 78,461,222.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.