Home / 105,536,285.50-145,636,552.92-58,491,354.28

Finding the Fourth Proportional to 105,536,285.50, 145,636,552.92 and 58,491,354.28

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Solution

The fourth proportional to 105,536,285.50, 145,636,552.92 and 58,491,354.28 is: 80,716,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,536,285.50 : 145,636,552.92 = 58,491,354.28 : x
  2. Step 2: Convert to fraction form
    105,536,285.50/145,636,552.92 = 58,491,354.28/x
  3. Step 3: Cross multiply
    105,536,285.50x = 145,636,552.92 × 58,491,354.28
  4. Step 4: Simplify right side
    105,536,285.50x = 8,518,479,212,961,688
  5. Step 5: Solve for x
    x = 8,518,479,212,961,688/105,536,285.50
  6. Step 6: Final answer
    x = 80,716,117.42

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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.