Home / 260,149,123.36-359,012,381.52-142,679,130.40

Finding the Fourth Proportional to 260,149,123.36, 359,012,381.52 and 142,679,130.40

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Solution

The fourth proportional to 260,149,123.36, 359,012,381.52 and 142,679,130.40 is: 196,900,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,149,123.36 : 359,012,381.52 = 142,679,130.40 : x
  2. Step 2: Convert to fraction form
    260,149,123.36/359,012,381.52 = 142,679,130.40/x
  3. Step 3: Cross multiply
    260,149,123.36x = 359,012,381.52 × 142,679,130.40
  4. Step 4: Simplify right side
    260,149,123.36x = 51,223,574,398,106,632
  5. Step 5: Solve for x
    x = 51,223,574,398,106,632/260,149,123.36
  6. Step 6: Final answer
    x = 196,900,814.95

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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.