Home / 155,159,047.10-214,323,873.72-115,006,441.26

Finding the Fourth Proportional to 155,159,047.10, 214,323,873.72 and 115,006,441.26

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Solution

The fourth proportional to 155,159,047.10, 214,323,873.72 and 115,006,441.26 is: 158,860,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,159,047.10 : 214,323,873.72 = 115,006,441.26 : x
  2. Step 2: Convert to fraction form
    155,159,047.10/214,323,873.72 = 115,006,441.26/x
  3. Step 3: Cross multiply
    155,159,047.10x = 214,323,873.72 × 115,006,441.26
  4. Step 4: Simplify right side
    155,159,047.10x = 24,648,625,994,829,828
  5. Step 5: Solve for x
    x = 24,648,625,994,829,828/155,159,047.10
  6. Step 6: Final answer
    x = 158,860,385.23

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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.