Home / 70,386,553.59-105,640,613.96-48,836,288.90

Finding the Fourth Proportional to 70,386,553.59, 105,640,613.96 and 48,836,288.90

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Solution

The fourth proportional to 70,386,553.59, 105,640,613.96 and 48,836,288.90 is: 73,296,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,386,553.59 : 105,640,613.96 = 48,836,288.90 : x
  2. Step 2: Convert to fraction form
    70,386,553.59/105,640,613.96 = 48,836,288.90/x
  3. Step 3: Cross multiply
    70,386,553.59x = 105,640,613.96 × 48,836,288.90
  4. Step 4: Simplify right side
    70,386,553.59x = 5,159,095,542,151,549
  5. Step 5: Solve for x
    x = 5,159,095,542,151,549/70,386,553.59
  6. Step 6: Final answer
    x = 73,296,606.80

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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.