Home / 77,688,002.70-116,532,004.05-48,966,569.10

Finding the Fourth Proportional to 77,688,002.70, 116,532,004.05 and 48,966,569.10

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Solution

The fourth proportional to 77,688,002.70, 116,532,004.05 and 48,966,569.10 is: 73,449,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,688,002.70 : 116,532,004.05 = 48,966,569.10 : x
  2. Step 2: Convert to fraction form
    77,688,002.70/116,532,004.05 = 48,966,569.10/x
  3. Step 3: Cross multiply
    77,688,002.70x = 116,532,004.05 × 48,966,569.10
  4. Step 4: Simplify right side
    77,688,002.70x = 5,706,172,428,675,805
  5. Step 5: Solve for x
    x = 5,706,172,428,675,805/77,688,002.70
  6. Step 6: Final answer
    x = 73,449,853.65

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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.