Home / 55,316,617.27-76,334,931.57-30,536,272.69

Finding the Fourth Proportional to 55,316,617.27, 76,334,931.57 and 30,536,272.69

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Solution

The fourth proportional to 55,316,617.27, 76,334,931.57 and 30,536,272.69 is: 42,138,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,617.27 : 76,334,931.57 = 30,536,272.69 : x
  2. Step 2: Convert to fraction form
    55,316,617.27/76,334,931.57 = 30,536,272.69/x
  3. Step 3: Cross multiply
    55,316,617.27x = 76,334,931.57 × 30,536,272.69
  4. Step 4: Simplify right side
    55,316,617.27x = 2,330,984,286,194,009.50
  5. Step 5: Solve for x
    x = 2,330,984,286,194,009.50/55,316,617.27
  6. Step 6: Final answer
    x = 42,138,952.11

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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.