Home / 130,239,795.20-195,583,641.60-92,168,499.20

Finding the Fourth Proportional to 130,239,795.20, 195,583,641.60 and 92,168,499.20

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Solution

The fourth proportional to 130,239,795.20, 195,583,641.60 and 92,168,499.20 is: 138,411,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,239,795.20 : 195,583,641.60 = 92,168,499.20 : x
  2. Step 2: Convert to fraction form
    130,239,795.20/195,583,641.60 = 92,168,499.20/x
  3. Step 3: Cross multiply
    130,239,795.20x = 195,583,641.60 × 92,168,499.20
  4. Step 4: Simplify right side
    130,239,795.20x = 18,026,650,714,342,688
  5. Step 5: Solve for x
    x = 18,026,650,714,342,688/130,239,795.20
  6. Step 6: Final answer
    x = 138,411,233.58

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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.