Home / 155,142,776.70-232,714,165.05-68,789,519.10

Finding the Fourth Proportional to 155,142,776.70, 232,714,165.05 and 68,789,519.10

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Solution

The fourth proportional to 155,142,776.70, 232,714,165.05 and 68,789,519.10 is: 103,184,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,142,776.70 : 232,714,165.05 = 68,789,519.10 : x
  2. Step 2: Convert to fraction form
    155,142,776.70/232,714,165.05 = 68,789,519.10/x
  3. Step 3: Cross multiply
    155,142,776.70x = 232,714,165.05 × 68,789,519.10
  4. Step 4: Simplify right side
    155,142,776.70x = 16,008,295,501,547,526
  5. Step 5: Solve for x
    x = 16,008,295,501,547,526/155,142,776.70
  6. Step 6: Final answer
    x = 103,184,278.65

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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.