Home / 85,312,312,384.46-117,729,548,255.50-47,249,702,164.31

Finding the Fourth Proportional to 85,312,312,384.46, 117,729,548,255.50 and 47,249,702,164.31

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Solution

The fourth proportional to 85,312,312,384.46, 117,729,548,255.50 and 47,249,702,164.31 is: 65,203,789,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,312,312,384.46 : 117,729,548,255.50 = 47,249,702,164.31 : x
  2. Step 2: Convert to fraction form
    85,312,312,384.46/117,729,548,255.50 = 47,249,702,164.31/x
  3. Step 3: Cross multiply
    85,312,312,384.46x = 117,729,548,255.50 × 47,249,702,164.31
  4. Step 4: Simplify right side
    85,312,312,384.46x = 5,562,686,091,010,548,695,040
  5. Step 5: Solve for x
    x = 5,562,686,091,010,548,695,040/85,312,312,384.46
  6. Step 6: Final answer
    x = 65,203,789,881.38

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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.