Home / 211,303,709-291,475,577.76-132,863,075.72

Finding the Fourth Proportional to 211,303,709, 291,475,577.76 and 132,863,075.72

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Solution

The fourth proportional to 211,303,709, 291,475,577.76 and 132,863,075.72 is: 183,273,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,303,709 : 291,475,577.76 = 132,863,075.72 : x
  2. Step 2: Convert to fraction form
    211,303,709/291,475,577.76 = 132,863,075.72/x
  3. Step 3: Cross multiply
    211,303,709x = 291,475,577.76 × 132,863,075.72
  4. Step 4: Simplify right side
    211,303,709x = 38,726,341,758,457,624
  5. Step 5: Solve for x
    x = 38,726,341,758,457,624/211,303,709
  6. Step 6: Final answer
    x = 183,273,364.87

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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.