Home / 80,248,405.24-110,776,702.98-54,178,237.72

Finding the Fourth Proportional to 80,248,405.24, 110,776,702.98 and 54,178,237.72

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Solution

The fourth proportional to 80,248,405.24, 110,776,702.98 and 54,178,237.72 is: 74,788,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,248,405.24 : 110,776,702.98 = 54,178,237.72 : x
  2. Step 2: Convert to fraction form
    80,248,405.24/110,776,702.98 = 54,178,237.72/x
  3. Step 3: Cross multiply
    80,248,405.24x = 110,776,702.98 × 54,178,237.72
  4. Step 4: Simplify right side
    80,248,405.24x = 6,001,686,547,888,272
  5. Step 5: Solve for x
    x = 6,001,686,547,888,272/80,248,405.24
  6. Step 6: Final answer
    x = 74,788,857.55

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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.