Home / 186,437,666.82-279,657,384.78-57,045,070.56

Finding the Fourth Proportional to 186,437,666.82, 279,657,384.78 and 57,045,070.56

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Solution

The fourth proportional to 186,437,666.82, 279,657,384.78 and 57,045,070.56 is: 85,567,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,437,666.82 : 279,657,384.78 = 57,045,070.56 : x
  2. Step 2: Convert to fraction form
    186,437,666.82/279,657,384.78 = 57,045,070.56/x
  3. Step 3: Cross multiply
    186,437,666.82x = 279,657,384.78 × 57,045,070.56
  4. Step 4: Simplify right side
    186,437,666.82x = 15,953,075,247,400,170
  5. Step 5: Solve for x
    x = 15,953,075,247,400,170/186,437,666.82
  6. Step 6: Final answer
    x = 85,567,876.49

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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.