Home / 55,316,560.91-76,334,852.98-30,536,215.52

Finding the Fourth Proportional to 55,316,560.91, 76,334,852.98 and 30,536,215.52

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Solution

The fourth proportional to 55,316,560.91, 76,334,852.98 and 30,536,215.52 is: 42,138,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,560.91 : 76,334,852.98 = 30,536,215.52 : x
  2. Step 2: Convert to fraction form
    55,316,560.91/76,334,852.98 = 30,536,215.52/x
  3. Step 3: Cross multiply
    55,316,560.91x = 76,334,852.98 × 30,536,215.52
  4. Step 4: Simplify right side
    55,316,560.91x = 2,330,977,521,941,290.50
  5. Step 5: Solve for x
    x = 2,330,977,521,941,290.50/55,316,560.91
  6. Step 6: Final answer
    x = 42,138,872.77

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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.