Home / 208,041,782.42-287,096,943.08-119,935,360.01

Finding the Fourth Proportional to 208,041,782.42, 287,096,943.08 and 119,935,360.01

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Solution

The fourth proportional to 208,041,782.42, 287,096,943.08 and 119,935,360.01 is: 165,510,383.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,041,782.42 : 287,096,943.08 = 119,935,360.01 : x
  2. Step 2: Convert to fraction form
    208,041,782.42/287,096,943.08 = 119,935,360.01/x
  3. Step 3: Cross multiply
    208,041,782.42x = 287,096,943.08 × 119,935,360.01
  4. Step 4: Simplify right side
    208,041,782.42x = 34,433,075,224,035,112
  5. Step 5: Solve for x
    x = 34,433,075,224,035,112/208,041,782.42
  6. Step 6: Final answer
    x = 165,510,383.66

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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.