Home / 105,532,415.60-158,298,623.40-87,392,562.80

Finding the Fourth Proportional to 105,532,415.60, 158,298,623.40 and 87,392,562.80

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Solution

The fourth proportional to 105,532,415.60, 158,298,623.40 and 87,392,562.80 is: 131,088,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,532,415.60 : 158,298,623.40 = 87,392,562.80 : x
  2. Step 2: Convert to fraction form
    105,532,415.60/158,298,623.40 = 87,392,562.80/x
  3. Step 3: Cross multiply
    105,532,415.60x = 158,298,623.40 × 87,392,562.80
  4. Step 4: Simplify right side
    105,532,415.60x = 13,834,122,386,638,050
  5. Step 5: Solve for x
    x = 13,834,122,386,638,050/105,532,415.60
  6. Step 6: Final answer
    x = 131,088,844.20

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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.