Home / 91,298,859.32-136,625,014.53-56,771,520.27

Finding the Fourth Proportional to 91,298,859.32, 136,625,014.53 and 56,771,520.27

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Solution

The fourth proportional to 91,298,859.32, 136,625,014.53 and 56,771,520.27 is: 84,956,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,298,859.32 : 136,625,014.53 = 56,771,520.27 : x
  2. Step 2: Convert to fraction form
    91,298,859.32/136,625,014.53 = 56,771,520.27/x
  3. Step 3: Cross multiply
    91,298,859.32x = 136,625,014.53 × 56,771,520.27
  4. Step 4: Simplify right side
    91,298,859.32x = 7,756,409,781,778,940
  5. Step 5: Solve for x
    x = 7,756,409,781,778,940/91,298,859.32
  6. Step 6: Final answer
    x = 84,956,261.67

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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.