Home / 147,595,019.70-221,487,007.95-86,184,059.70

Finding the Fourth Proportional to 147,595,019.70, 221,487,007.95 and 86,184,059.70

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Solution

The fourth proportional to 147,595,019.70, 221,487,007.95 and 86,184,059.70 is: 129,331,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,595,019.70 : 221,487,007.95 = 86,184,059.70 : x
  2. Step 2: Convert to fraction form
    147,595,019.70/221,487,007.95 = 86,184,059.70/x
  3. Step 3: Cross multiply
    147,595,019.70x = 221,487,007.95 × 86,184,059.70
  4. Step 4: Simplify right side
    147,595,019.70x = 19,088,649,515,937,176
  5. Step 5: Solve for x
    x = 19,088,649,515,937,176/147,595,019.70
  6. Step 6: Final answer
    x = 129,331,257.62

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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.