Home / 86,947,555.70-130,437,079.95-43,707,941.30

Finding the Fourth Proportional to 86,947,555.70, 130,437,079.95 and 43,707,941.30

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Solution

The fourth proportional to 86,947,555.70, 130,437,079.95 and 43,707,941.30 is: 65,569,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,947,555.70 : 130,437,079.95 = 43,707,941.30 : x
  2. Step 2: Convert to fraction form
    86,947,555.70/130,437,079.95 = 43,707,941.30/x
  3. Step 3: Cross multiply
    86,947,555.70x = 130,437,079.95 × 43,707,941.30
  4. Step 4: Simplify right side
    86,947,555.70x = 5,701,136,233,798,007
  5. Step 5: Solve for x
    x = 5,701,136,233,798,007/86,947,555.70
  6. Step 6: Final answer
    x = 65,569,827.56

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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.