Home / 47,389,631.80-71,084,447.70-39,736,881.40

Finding the Fourth Proportional to 47,389,631.80, 71,084,447.70 and 39,736,881.40

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Solution

The fourth proportional to 47,389,631.80, 71,084,447.70 and 39,736,881.40 is: 59,605,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389,631.80 : 71,084,447.70 = 39,736,881.40 : x
  2. Step 2: Convert to fraction form
    47,389,631.80/71,084,447.70 = 39,736,881.40/x
  3. Step 3: Cross multiply
    47,389,631.80x = 71,084,447.70 × 39,736,881.40
  4. Step 4: Simplify right side
    47,389,631.80x = 2,824,674,267,639,403
  5. Step 5: Solve for x
    x = 2,824,674,267,639,403/47,389,631.80
  6. Step 6: Final answer
    x = 59,605,322.10

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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.