Home / 208,041,782.79-287,096,943.60-119,935,360.38

Finding the Fourth Proportional to 208,041,782.79, 287,096,943.60 and 119,935,360.38

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Solution

The fourth proportional to 208,041,782.79, 287,096,943.60 and 119,935,360.38 is: 165,510,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,041,782.79 : 287,096,943.60 = 119,935,360.38 : x
  2. Step 2: Convert to fraction form
    208,041,782.79/287,096,943.60 = 119,935,360.38/x
  3. Step 3: Cross multiply
    208,041,782.79x = 287,096,943.60 × 119,935,360.38
  4. Step 4: Simplify right side
    208,041,782.79x = 34,433,075,394,662,536
  5. Step 5: Solve for x
    x = 34,433,075,394,662,536/208,041,782.79
  6. Step 6: Final answer
    x = 165,510,384.18

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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.