Home / 155,159,048.23-214,323,875.28-115,006,442.39

Finding the Fourth Proportional to 155,159,048.23, 214,323,875.28 and 115,006,442.39

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Solution

The fourth proportional to 155,159,048.23, 214,323,875.28 and 115,006,442.39 is: 158,860,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,159,048.23 : 214,323,875.28 = 115,006,442.39 : x
  2. Step 2: Convert to fraction form
    155,159,048.23/214,323,875.28 = 115,006,442.39/x
  3. Step 3: Cross multiply
    155,159,048.23x = 214,323,875.28 × 115,006,442.39
  4. Step 4: Simplify right side
    155,159,048.23x = 24,648,626,415,726,676
  5. Step 5: Solve for x
    x = 24,648,626,415,726,676/155,159,048.23
  6. Step 6: Final answer
    x = 158,860,386.79

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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.