Home / 103,519,122.70-155,146,807.95-55,020,210.70

Finding the Fourth Proportional to 103,519,122.70, 155,146,807.95 and 55,020,210.70

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Solution

The fourth proportional to 103,519,122.70, 155,146,807.95 and 55,020,210.70 is: 82,460,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,519,122.70 : 155,146,807.95 = 55,020,210.70 : x
  2. Step 2: Convert to fraction form
    103,519,122.70/155,146,807.95 = 55,020,210.70/x
  3. Step 3: Cross multiply
    103,519,122.70x = 155,146,807.95 × 55,020,210.70
  4. Step 4: Simplify right side
    103,519,122.70x = 8,536,210,062,841,435
  5. Step 5: Solve for x
    x = 8,536,210,062,841,435/103,519,122.70
  6. Step 6: Final answer
    x = 82,460,224.16

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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.