Home / 105,340,931.06-157,995,432.02-28,669,933.94

Finding the Fourth Proportional to 105,340,931.06, 157,995,432.02 and 28,669,933.94

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Solution

The fourth proportional to 105,340,931.06, 157,995,432.02 and 28,669,933.94 is: 43,000,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,340,931.06 : 157,995,432.02 = 28,669,933.94 : x
  2. Step 2: Convert to fraction form
    105,340,931.06/157,995,432.02 = 28,669,933.94/x
  3. Step 3: Cross multiply
    105,340,931.06x = 157,995,432.02 × 28,669,933.94
  4. Step 4: Simplify right side
    105,340,931.06x = 4,529,718,598,116,858
  5. Step 5: Solve for x
    x = 4,529,718,598,116,858/105,340,931.06
  6. Step 6: Final answer
    x = 43,000,555.94

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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.