Home / 77,688,003.70-116,532,005.55-48,966,570.10

Finding the Fourth Proportional to 77,688,003.70, 116,532,005.55 and 48,966,570.10

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Solution

The fourth proportional to 77,688,003.70, 116,532,005.55 and 48,966,570.10 is: 73,449,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,688,003.70 : 116,532,005.55 = 48,966,570.10 : x
  2. Step 2: Convert to fraction form
    77,688,003.70/116,532,005.55 = 48,966,570.10/x
  3. Step 3: Cross multiply
    77,688,003.70x = 116,532,005.55 × 48,966,570.10
  4. Step 4: Simplify right side
    77,688,003.70x = 5,706,172,618,657,664
  5. Step 5: Solve for x
    x = 5,706,172,618,657,664/77,688,003.70
  6. Step 6: Final answer
    x = 73,449,855.15

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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.