Home / 75,271,823,389.38-112,874,602,566.24-39,890,889,380.96

Finding the Fourth Proportional to 75,271,823,389.38, 112,874,602,566.24 and 39,890,889,380.96

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Solution

The fourth proportional to 75,271,823,389.38, 112,874,602,566.24 and 39,890,889,380.96 is: 59,818,775,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,271,823,389.38 : 112,874,602,566.24 = 39,890,889,380.96 : x
  2. Step 2: Convert to fraction form
    75,271,823,389.38/112,874,602,566.24 = 39,890,889,380.96/x
  3. Step 3: Cross multiply
    75,271,823,389.38x = 112,874,602,566.24 × 39,890,889,380.96
  4. Step 4: Simplify right side
    75,271,823,389.38x = 4,502,668,284,889,139,773,440
  5. Step 5: Solve for x
    x = 4,502,668,284,889,139,773,440/75,271,823,389.38
  6. Step 6: Final answer
    x = 59,818,775,235.41

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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.