Home / 230,323,038.19-345,484,558.65-76,969,094.62

Finding the Fourth Proportional to 230,323,038.19, 345,484,558.65 and 76,969,094.62

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Solution

The fourth proportional to 230,323,038.19, 345,484,558.65 and 76,969,094.62 is: 115,453,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,323,038.19 : 345,484,558.65 = 76,969,094.62 : x
  2. Step 2: Convert to fraction form
    230,323,038.19/345,484,558.65 = 76,969,094.62/x
  3. Step 3: Cross multiply
    230,323,038.19x = 345,484,558.65 × 76,969,094.62
  4. Step 4: Simplify right side
    230,323,038.19x = 26,591,633,684,480,788
  5. Step 5: Solve for x
    x = 26,591,633,684,480,788/230,323,038.19
  6. Step 6: Final answer
    x = 115,453,642.39

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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.