Home / 77,760,532.60-116,640,798.90-48,913,127.80

Finding the Fourth Proportional to 77,760,532.60, 116,640,798.90 and 48,913,127.80

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Solution

The fourth proportional to 77,760,532.60, 116,640,798.90 and 48,913,127.80 is: 73,369,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760,532.60 : 116,640,798.90 = 48,913,127.80 : x
  2. Step 2: Convert to fraction form
    77,760,532.60/116,640,798.90 = 48,913,127.80/x
  3. Step 3: Cross multiply
    77,760,532.60x = 116,640,798.90 × 48,913,127.80
  4. Step 4: Simplify right side
    77,760,532.60x = 5,705,266,303,289,799
  5. Step 5: Solve for x
    x = 5,705,266,303,289,799/77,760,532.60
  6. Step 6: Final answer
    x = 73,369,691.70

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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.