Home / 86,911,975.23-130,286,916.72-29,364,000.81

Finding the Fourth Proportional to 86,911,975.23, 130,286,916.72 and 29,364,000.81

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Solution

The fourth proportional to 86,911,975.23, 130,286,916.72 and 29,364,000.81 is: 44,018,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,911,975.23 : 130,286,916.72 = 29,364,000.81 : x
  2. Step 2: Convert to fraction form
    86,911,975.23/130,286,916.72 = 29,364,000.81/x
  3. Step 3: Cross multiply
    86,911,975.23x = 130,286,916.72 × 29,364,000.81
  4. Step 4: Simplify right side
    86,911,975.23x = 3,825,745,128,098,482.50
  5. Step 5: Solve for x
    x = 3,825,745,128,098,482.50/86,911,975.23
  6. Step 6: Final answer
    x = 44,018,619.05

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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.