Home / 102,186,064.20-153,279,096.30-86,880,563.40

Finding the Fourth Proportional to 102,186,064.20, 153,279,096.30 and 86,880,563.40

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Solution

The fourth proportional to 102,186,064.20, 153,279,096.30 and 86,880,563.40 is: 130,320,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,186,064.20 : 153,279,096.30 = 86,880,563.40 : x
  2. Step 2: Convert to fraction form
    102,186,064.20/153,279,096.30 = 86,880,563.40/x
  3. Step 3: Cross multiply
    102,186,064.20x = 153,279,096.30 × 86,880,563.40
  4. Step 4: Simplify right side
    102,186,064.20x = 13,316,974,243,986,858
  5. Step 5: Solve for x
    x = 13,316,974,243,986,858/102,186,064.20
  6. Step 6: Final answer
    x = 130,320,845.10

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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.