Home / 155,142,977.70-232,714,466.55-68,789,720.10

Finding the Fourth Proportional to 155,142,977.70, 232,714,466.55 and 68,789,720.10

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Solution

The fourth proportional to 155,142,977.70, 232,714,466.55 and 68,789,720.10 is: 103,184,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,142,977.70 : 232,714,466.55 = 68,789,720.10 : x
  2. Step 2: Convert to fraction form
    155,142,977.70/232,714,466.55 = 68,789,720.10/x
  3. Step 3: Cross multiply
    155,142,977.70x = 232,714,466.55 × 68,789,720.10
  4. Step 4: Simplify right side
    155,142,977.70x = 16,008,363,017,195,312
  5. Step 5: Solve for x
    x = 16,008,363,017,195,312/155,142,977.70
  6. Step 6: Final answer
    x = 103,184,580.15

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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.