Home / 107,833,206.40-161,749,809.60-67,018,537.60

Finding the Fourth Proportional to 107,833,206.40, 161,749,809.60 and 67,018,537.60

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Solution

The fourth proportional to 107,833,206.40, 161,749,809.60 and 67,018,537.60 is: 100,527,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,833,206.40 : 161,749,809.60 = 67,018,537.60 : x
  2. Step 2: Convert to fraction form
    107,833,206.40/161,749,809.60 = 67,018,537.60/x
  3. Step 3: Cross multiply
    107,833,206.40x = 161,749,809.60 × 67,018,537.60
  4. Step 4: Simplify right side
    107,833,206.40x = 10,840,235,696,470,440
  5. Step 5: Solve for x
    x = 10,840,235,696,470,440/107,833,206.40
  6. Step 6: Final answer
    x = 100,527,806.40

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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.