Home / 70,365,939.03-97,104,929.09-39,426,329.75

Finding the Fourth Proportional to 70,365,939.03, 97,104,929.09 and 39,426,329.75

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Solution

The fourth proportional to 70,365,939.03, 97,104,929.09 and 39,426,329.75 is: 54,408,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,365,939.03 : 97,104,929.09 = 39,426,329.75 : x
  2. Step 2: Convert to fraction form
    70,365,939.03/97,104,929.09 = 39,426,329.75/x
  3. Step 3: Cross multiply
    70,365,939.03x = 97,104,929.09 × 39,426,329.75
  4. Step 4: Simplify right side
    70,365,939.03x = 3,828,490,953,970,050.50
  5. Step 5: Solve for x
    x = 3,828,490,953,970,050.50/70,365,939.03
  6. Step 6: Final answer
    x = 54,408,297.63

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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.