Home / 291,109,075.80-401,746,793.93-158,962,334.55

Finding the Fourth Proportional to 291,109,075.80, 401,746,793.93 and 158,962,334.55

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Solution

The fourth proportional to 291,109,075.80, 401,746,793.93 and 158,962,334.55 is: 219,376,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,109,075.80 : 401,746,793.93 = 158,962,334.55 : x
  2. Step 2: Convert to fraction form
    291,109,075.80/401,746,793.93 = 158,962,334.55/x
  3. Step 3: Cross multiply
    291,109,075.80x = 401,746,793.93 × 158,962,334.55
  4. Step 4: Simplify right side
    291,109,075.80x = 63,862,608,261,090,576
  5. Step 5: Solve for x
    x = 63,862,608,261,090,576/291,109,075.80
  6. Step 6: Final answer
    x = 219,376,905.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.