Home / 170,202,521.70-254,925,868.95-139,969,433.70

Finding the Fourth Proportional to 170,202,521.70, 254,925,868.95 and 139,969,433.70

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Solution

The fourth proportional to 170,202,521.70, 254,925,868.95 and 139,969,433.70 is: 209,643,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,202,521.70 : 254,925,868.95 = 139,969,433.70 : x
  2. Step 2: Convert to fraction form
    170,202,521.70/254,925,868.95 = 139,969,433.70/x
  3. Step 3: Cross multiply
    170,202,521.70x = 254,925,868.95 × 139,969,433.70
  4. Step 4: Simplify right side
    170,202,521.70x = 35,681,829,512,411,908
  5. Step 5: Solve for x
    x = 35,681,829,512,411,908/170,202,521.70
  6. Step 6: Final answer
    x = 209,643,365.77

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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.