Home / 76,746,024.71-115,178,733.84-53,566,374.50

Finding the Fourth Proportional to 76,746,024.71, 115,178,733.84 and 53,566,374.50

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Solution

The fourth proportional to 76,746,024.71, 115,178,733.84 and 53,566,374.50 is: 80,391,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,746,024.71 : 115,178,733.84 = 53,566,374.50 : x
  2. Step 2: Convert to fraction form
    76,746,024.71/115,178,733.84 = 53,566,374.50/x
  3. Step 3: Cross multiply
    76,746,024.71x = 115,178,733.84 × 53,566,374.50
  4. Step 4: Simplify right side
    76,746,024.71x = 6,169,707,191,309,263
  5. Step 5: Solve for x
    x = 6,169,707,191,309,263/76,746,024.71
  6. Step 6: Final answer
    x = 80,391,228.27

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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.