Home / 65,655,323.44-90,615,597.15-38,169,194.92

Finding the Fourth Proportional to 65,655,323.44, 90,615,597.15 and 38,169,194.92

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Solution

The fourth proportional to 65,655,323.44, 90,615,597.15 and 38,169,194.92 is: 52,680,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,655,323.44 : 90,615,597.15 = 38,169,194.92 : x
  2. Step 2: Convert to fraction form
    65,655,323.44/90,615,597.15 = 38,169,194.92/x
  3. Step 3: Cross multiply
    65,655,323.44x = 90,615,597.15 × 38,169,194.92
  4. Step 4: Simplify right side
    65,655,323.44x = 3,458,724,390,410,547
  5. Step 5: Solve for x
    x = 3,458,724,390,410,547/65,655,323.44
  6. Step 6: Final answer
    x = 52,680,029.72

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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.