Home / 372,276,723.40-558,415,085.10-99,647,490.40

Finding the Fourth Proportional to 372,276,723.40, 558,415,085.10 and 99,647,490.40

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Solution

The fourth proportional to 372,276,723.40, 558,415,085.10 and 99,647,490.40 is: 149,471,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,276,723.40 : 558,415,085.10 = 99,647,490.40 : x
  2. Step 2: Convert to fraction form
    372,276,723.40/558,415,085.10 = 99,647,490.40/x
  3. Step 3: Cross multiply
    372,276,723.40x = 558,415,085.10 × 99,647,490.40
  4. Step 4: Simplify right side
    372,276,723.40x = 55,644,661,831,717,440
  5. Step 5: Solve for x
    x = 55,644,661,831,717,440/372,276,723.40
  6. Step 6: Final answer
    x = 149,471,235.60

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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.