Home / 76,389,031.08-105,216,051.64-58,714,133.76

Finding the Fourth Proportional to 76,389,031.08, 105,216,051.64 and 58,714,133.76

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Solution

The fourth proportional to 76,389,031.08, 105,216,051.64 and 58,714,133.76 is: 80,871,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,389,031.08 : 105,216,051.64 = 58,714,133.76 : x
  2. Step 2: Convert to fraction form
    76,389,031.08/105,216,051.64 = 58,714,133.76/x
  3. Step 3: Cross multiply
    76,389,031.08x = 105,216,051.64 × 58,714,133.76
  4. Step 4: Simplify right side
    76,389,031.08x = 6,177,669,329,690,027
  5. Step 5: Solve for x
    x = 6,177,669,329,690,027/76,389,031.08
  6. Step 6: Final answer
    x = 80,871,157.05

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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.