Home / 103,426,285.70-155,139,428.55-101,914,631.30

Finding the Fourth Proportional to 103,426,285.70, 155,139,428.55 and 101,914,631.30

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Solution

The fourth proportional to 103,426,285.70, 155,139,428.55 and 101,914,631.30 is: 152,871,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,426,285.70 : 155,139,428.55 = 101,914,631.30 : x
  2. Step 2: Convert to fraction form
    103,426,285.70/155,139,428.55 = 101,914,631.30/x
  3. Step 3: Cross multiply
    103,426,285.70x = 155,139,428.55 × 101,914,631.30
  4. Step 4: Simplify right side
    103,426,285.70x = 15,810,977,660,765,944
  5. Step 5: Solve for x
    x = 15,810,977,660,765,944/103,426,285.70
  6. Step 6: Final answer
    x = 152,871,946.95

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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.