Home / 101,636,595.28-140,258,196.12-55,226,990.80

Finding the Fourth Proportional to 101,636,595.28, 140,258,196.12 and 55,226,990.80

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Solution

The fourth proportional to 101,636,595.28, 140,258,196.12 and 55,226,990.80 is: 76,213,081.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,636,595.28 : 140,258,196.12 = 55,226,990.80 : x
  2. Step 2: Convert to fraction form
    101,636,595.28/140,258,196.12 = 55,226,990.80/x
  3. Step 3: Cross multiply
    101,636,595.28x = 140,258,196.12 × 55,226,990.80
  4. Step 4: Simplify right side
    101,636,595.28x = 7,746,038,106,743,836
  5. Step 5: Solve for x
    x = 7,746,038,106,743,836/101,636,595.28
  6. Step 6: Final answer
    x = 76,213,081.37

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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.