Home / 393,693,279.16-590,540,126.10-102,559,631.80

Finding the Fourth Proportional to 393,693,279.16, 590,540,126.10 and 102,559,631.80

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Solution

The fourth proportional to 393,693,279.16, 590,540,126.10 and 102,559,631.80 is: 153,839,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,693,279.16 : 590,540,126.10 = 102,559,631.80 : x
  2. Step 2: Convert to fraction form
    393,693,279.16/590,540,126.10 = 102,559,631.80/x
  3. Step 3: Cross multiply
    393,693,279.16x = 590,540,126.10 × 102,559,631.80
  4. Step 4: Simplify right side
    393,693,279.16x = 60,565,577,895,941,568
  5. Step 5: Solve for x
    x = 60,565,577,895,941,568/393,693,279.16
  6. Step 6: Final answer
    x = 153,839,501.72

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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.