Home / 255,444,515.36-382,905,013.80-193,903,396.10

Finding the Fourth Proportional to 255,444,515.36, 382,905,013.80 and 193,903,396.10

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Solution

The fourth proportional to 255,444,515.36, 382,905,013.80 and 193,903,396.10 is: 290,656,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,444,515.36 : 382,905,013.80 = 193,903,396.10 : x
  2. Step 2: Convert to fraction form
    255,444,515.36/382,905,013.80 = 193,903,396.10/x
  3. Step 3: Cross multiply
    255,444,515.36x = 382,905,013.80 × 193,903,396.10
  4. Step 4: Simplify right side
    255,444,515.36x = 74,246,582,559,537,360
  5. Step 5: Solve for x
    x = 74,246,582,559,537,360/255,444,515.36
  6. Step 6: Final answer
    x = 290,656,397.36

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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.