Home / 385,174,075.57-531,541,254.57-208,962,070.93

Finding the Fourth Proportional to 385,174,075.57, 531,541,254.57 and 208,962,070.93

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Solution

The fourth proportional to 385,174,075.57, 531,541,254.57 and 208,962,070.93 is: 288,368,216.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,174,075.57 : 531,541,254.57 = 208,962,070.93 : x
  2. Step 2: Convert to fraction form
    385,174,075.57/531,541,254.57 = 208,962,070.93/x
  3. Step 3: Cross multiply
    385,174,075.57x = 531,541,254.57 × 208,962,070.93
  4. Step 4: Simplify right side
    385,174,075.57x = 111,071,961,339,677,536
  5. Step 5: Solve for x
    x = 111,071,961,339,677,536/385,174,075.57
  6. Step 6: Final answer
    x = 288,368,216.83

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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.