Home / 113,701,456.84-156,908,480-61,490,491.44

Finding the Fourth Proportional to 113,701,456.84, 156,908,480 and 61,490,491.44

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Solution

The fourth proportional to 113,701,456.84, 156,908,480 and 61,490,491.44 is: 84,857,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,701,456.84 : 156,908,480 = 61,490,491.44 : x
  2. Step 2: Convert to fraction form
    113,701,456.84/156,908,480 = 61,490,491.44/x
  3. Step 3: Cross multiply
    113,701,456.84x = 156,908,480 × 61,490,491.44
  4. Step 4: Simplify right side
    113,701,456.84x = 9,648,379,546,303,410
  5. Step 5: Solve for x
    x = 9,648,379,546,303,410/113,701,456.84
  6. Step 6: Final answer
    x = 84,857,132.13

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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.