Home / 77,969,483.10-116,828,253.45-49,164,068.70

Finding the Fourth Proportional to 77,969,483.10, 116,828,253.45 and 49,164,068.70

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Solution

The fourth proportional to 77,969,483.10, 116,828,253.45 and 49,164,068.70 is: 73,666,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,969,483.10 : 116,828,253.45 = 49,164,068.70 : x
  2. Step 2: Convert to fraction form
    77,969,483.10/116,828,253.45 = 49,164,068.70/x
  3. Step 3: Cross multiply
    77,969,483.10x = 116,828,253.45 × 49,164,068.70
  4. Step 4: Simplify right side
    77,969,483.10x = 5,743,752,278,716,813
  5. Step 5: Solve for x
    x = 5,743,752,278,716,813/77,969,483.10
  6. Step 6: Final answer
    x = 73,666,671.25

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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.