Home / 55,187,440.59-76,160,393.56-31,670,279.67

Finding the Fourth Proportional to 55,187,440.59, 76,160,393.56 and 31,670,279.67

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Solution

The fourth proportional to 55,187,440.59, 76,160,393.56 and 31,670,279.67 is: 43,705,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,187,440.59 : 76,160,393.56 = 31,670,279.67 : x
  2. Step 2: Convert to fraction form
    55,187,440.59/76,160,393.56 = 31,670,279.67/x
  3. Step 3: Cross multiply
    55,187,440.59x = 76,160,393.56 × 31,670,279.67
  4. Step 4: Simplify right side
    55,187,440.59x = 2,412,020,963,473,715
  5. Step 5: Solve for x
    x = 2,412,020,963,473,715/55,187,440.59
  6. Step 6: Final answer
    x = 43,705,976.17

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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.