Home / 86,890,565.76-130,389,670.72-50,516,075.58

Finding the Fourth Proportional to 86,890,565.76, 130,389,670.72 and 50,516,075.58

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Solution

The fourth proportional to 86,890,565.76, 130,389,670.72 and 50,516,075.58 is: 75,805,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,890,565.76 : 130,389,670.72 = 50,516,075.58 : x
  2. Step 2: Convert to fraction form
    86,890,565.76/130,389,670.72 = 50,516,075.58/x
  3. Step 3: Cross multiply
    86,890,565.76x = 130,389,670.72 × 50,516,075.58
  4. Step 4: Simplify right side
    86,890,565.76x = 6,586,774,460,942,833
  5. Step 5: Solve for x
    x = 6,586,774,460,942,833/86,890,565.76
  6. Step 6: Final answer
    x = 75,805,404.23

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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.