Home / 70,434,378.63-105,602,063.07-31,023,928.46

Finding the Fourth Proportional to 70,434,378.63, 105,602,063.07 and 31,023,928.46

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Solution

The fourth proportional to 70,434,378.63, 105,602,063.07 and 31,023,928.46 is: 46,514,087.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,434,378.63 : 105,602,063.07 = 31,023,928.46 : x
  2. Step 2: Convert to fraction form
    70,434,378.63/105,602,063.07 = 31,023,928.46/x
  3. Step 3: Cross multiply
    70,434,378.63x = 105,602,063.07 × 31,023,928.46
  4. Step 4: Simplify right side
    70,434,378.63x = 3,276,190,850,292,433
  5. Step 5: Solve for x
    x = 3,276,190,850,292,433/70,434,378.63
  6. Step 6: Final answer
    x = 46,514,087.50

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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.