Home / 77,688,005.80-116,532,008.70-26,571,692.20

Finding the Fourth Proportional to 77,688,005.80, 116,532,008.70 and 26,571,692.20

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Solution

The fourth proportional to 77,688,005.80, 116,532,008.70 and 26,571,692.20 is: 39,857,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,688,005.80 : 116,532,008.70 = 26,571,692.20 : x
  2. Step 2: Convert to fraction form
    77,688,005.80/116,532,008.70 = 26,571,692.20/x
  3. Step 3: Cross multiply
    77,688,005.80x = 116,532,008.70 × 26,571,692.20
  4. Step 4: Simplify right side
    77,688,005.80x = 3,096,452,666,624,122
  5. Step 5: Solve for x
    x = 3,096,452,666,624,122/77,688,005.80
  6. Step 6: Final answer
    x = 39,857,538.30

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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.