Home / 72,260,271.63-99,717,923.62-39,219,811.69

Finding the Fourth Proportional to 72,260,271.63, 99,717,923.62 and 39,219,811.69

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Solution

The fourth proportional to 72,260,271.63, 99,717,923.62 and 39,219,811.69 is: 54,122,661.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,260,271.63 : 99,717,923.62 = 39,219,811.69 : x
  2. Step 2: Convert to fraction form
    72,260,271.63/99,717,923.62 = 39,219,811.69/x
  3. Step 3: Cross multiply
    72,260,271.63x = 99,717,923.62 × 39,219,811.69
  4. Step 4: Simplify right side
    72,260,271.63x = 3,910,918,186,750,032.50
  5. Step 5: Solve for x
    x = 3,910,918,186,750,032.50/72,260,271.63
  6. Step 6: Final answer
    x = 54,122,661.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.