Home / 104,778,503.64-143,547,247.17-100,851,325.56

Finding the Fourth Proportional to 104,778,503.64, 143,547,247.17 and 100,851,325.56

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Solution

The fourth proportional to 104,778,503.64, 143,547,247.17 and 100,851,325.56 is: 138,166,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,778,503.64 : 143,547,247.17 = 100,851,325.56 : x
  2. Step 2: Convert to fraction form
    104,778,503.64/143,547,247.17 = 100,851,325.56/x
  3. Step 3: Cross multiply
    104,778,503.64x = 143,547,247.17 × 100,851,325.56
  4. Step 4: Simplify right side
    104,778,503.64x = 14,476,930,157,583,458
  5. Step 5: Solve for x
    x = 14,476,930,157,583,458/104,778,503.64
  6. Step 6: Final answer
    x = 138,166,987.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.