Home / 86,896,409.38-130,295,482.70-28,588,308.82

Finding the Fourth Proportional to 86,896,409.38, 130,295,482.70 and 28,588,308.82

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Solution

The fourth proportional to 86,896,409.38, 130,295,482.70 and 28,588,308.82 is: 42,866,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,896,409.38 : 130,295,482.70 = 28,588,308.82 : x
  2. Step 2: Convert to fraction form
    86,896,409.38/130,295,482.70 = 28,588,308.82/x
  3. Step 3: Cross multiply
    86,896,409.38x = 130,295,482.70 × 28,588,308.82
  4. Step 4: Simplify right side
    86,896,409.38x = 3,724,927,497,278,567.50
  5. Step 5: Solve for x
    x = 3,724,927,497,278,567.50/86,896,409.38
  6. Step 6: Final answer
    x = 42,866,299.35

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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.