Home / 106,434,809.40-159,652,214.10-66,124,025.40

Finding the Fourth Proportional to 106,434,809.40, 159,652,214.10 and 66,124,025.40

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Solution

The fourth proportional to 106,434,809.40, 159,652,214.10 and 66,124,025.40 is: 99,186,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,434,809.40 : 159,652,214.10 = 66,124,025.40 : x
  2. Step 2: Convert to fraction form
    106,434,809.40/159,652,214.10 = 66,124,025.40/x
  3. Step 3: Cross multiply
    106,434,809.40x = 159,652,214.10 × 66,124,025.40
  4. Step 4: Simplify right side
    106,434,809.40x = 10,556,847,060,314,638
  5. Step 5: Solve for x
    x = 10,556,847,060,314,638/106,434,809.40
  6. Step 6: Final answer
    x = 99,186,038.10

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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.