Home / 86,193,859.95-118,950,055.07-47,038,165.11

Finding the Fourth Proportional to 86,193,859.95, 118,950,055.07 and 47,038,165.11

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Solution

The fourth proportional to 86,193,859.95, 118,950,055.07 and 47,038,165.11 is: 64,914,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,193,859.95 : 118,950,055.07 = 47,038,165.11 : x
  2. Step 2: Convert to fraction form
    86,193,859.95/118,950,055.07 = 47,038,165.11/x
  3. Step 3: Cross multiply
    86,193,859.95x = 118,950,055.07 × 47,038,165.11
  4. Step 4: Simplify right side
    86,193,859.95x = 5,595,192,329,991,062
  5. Step 5: Solve for x
    x = 5,595,192,329,991,062/86,193,859.95
  6. Step 6: Final answer
    x = 64,914,047.63

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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.