Home / 82,506,878.43-113,852,827.53-47,701,812.25

Finding the Fourth Proportional to 82,506,878.43, 113,852,827.53 and 47,701,812.25

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Solution

The fourth proportional to 82,506,878.43, 113,852,827.53 and 47,701,812.25 is: 65,824,647.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,506,878.43 : 113,852,827.53 = 47,701,812.25 : x
  2. Step 2: Convert to fraction form
    82,506,878.43/113,852,827.53 = 47,701,812.25/x
  3. Step 3: Cross multiply
    82,506,878.43x = 113,852,827.53 × 47,701,812.25
  4. Step 4: Simplify right side
    82,506,878.43x = 5,430,986,202,967,691
  5. Step 5: Solve for x
    x = 5,430,986,202,967,691/82,506,878.43
  6. Step 6: Final answer
    x = 65,824,647.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.