Home / 85,347,639.64-127,892,141.34-56,490,393.34

Finding the Fourth Proportional to 85,347,639.64, 127,892,141.34 and 56,490,393.34

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Solution

The fourth proportional to 85,347,639.64, 127,892,141.34 and 56,490,393.34 is: 84,649,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,347,639.64 : 127,892,141.34 = 56,490,393.34 : x
  2. Step 2: Convert to fraction form
    85,347,639.64/127,892,141.34 = 56,490,393.34/x
  3. Step 3: Cross multiply
    85,347,639.64x = 127,892,141.34 × 56,490,393.34
  4. Step 4: Simplify right side
    85,347,639.64x = 7,224,677,369,391,475
  5. Step 5: Solve for x
    x = 7,224,677,369,391,475/85,347,639.64
  6. Step 6: Final answer
    x = 84,649,996.18

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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.