Home / 77,307,028.43-106,685,907.27-47,133,266.80

Finding the Fourth Proportional to 77,307,028.43, 106,685,907.27 and 47,133,266.80

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Solution

The fourth proportional to 77,307,028.43, 106,685,907.27 and 47,133,266.80 is: 65,045,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,307,028.43 : 106,685,907.27 = 47,133,266.80 : x
  2. Step 2: Convert to fraction form
    77,307,028.43/106,685,907.27 = 47,133,266.80/x
  3. Step 3: Cross multiply
    77,307,028.43x = 106,685,907.27 × 47,133,266.80
  4. Step 4: Simplify right side
    77,307,028.43x = 5,028,455,330,913,541
  5. Step 5: Solve for x
    x = 5,028,455,330,913,541/77,307,028.43
  6. Step 6: Final answer
    x = 65,045,254.40

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1.5x scale

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.