Home / 109,155,703.80-163,733,555.70-51,760,075.80

Finding the Fourth Proportional to 109,155,703.80, 163,733,555.70 and 51,760,075.80

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Solution

The fourth proportional to 109,155,703.80, 163,733,555.70 and 51,760,075.80 is: 77,640,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,155,703.80 : 163,733,555.70 = 51,760,075.80 : x
  2. Step 2: Convert to fraction form
    109,155,703.80/163,733,555.70 = 51,760,075.80/x
  3. Step 3: Cross multiply
    109,155,703.80x = 163,733,555.70 × 51,760,075.80
  4. Step 4: Simplify right side
    109,155,703.80x = 8,474,861,254,035,521
  5. Step 5: Solve for x
    x = 8,474,861,254,035,521/109,155,703.80
  6. Step 6: Final answer
    x = 77,640,113.70

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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.