Home / 157,464,810.40-236,197,215.60-66,588,399.40

Finding the Fourth Proportional to 157,464,810.40, 236,197,215.60 and 66,588,399.40

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Solution

The fourth proportional to 157,464,810.40, 236,197,215.60 and 66,588,399.40 is: 99,882,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,810.40 : 236,197,215.60 = 66,588,399.40 : x
  2. Step 2: Convert to fraction form
    157,464,810.40/236,197,215.60 = 66,588,399.40/x
  3. Step 3: Cross multiply
    157,464,810.40x = 236,197,215.60 × 66,588,399.40
  4. Step 4: Simplify right side
    157,464,810.40x = 15,727,994,529,540,710
  5. Step 5: Solve for x
    x = 15,727,994,529,540,710/157,464,810.40
  6. Step 6: Final answer
    x = 99,882,599.10

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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.