Home / 65,407,887.71-90,234,525.06-38,931,394.58

Finding the Fourth Proportional to 65,407,887.71, 90,234,525.06 and 38,931,394.58

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Solution

The fourth proportional to 65,407,887.71, 90,234,525.06 and 38,931,394.58 is: 53,708,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,407,887.71 : 90,234,525.06 = 38,931,394.58 : x
  2. Step 2: Convert to fraction form
    65,407,887.71/90,234,525.06 = 38,931,394.58/x
  3. Step 3: Cross multiply
    65,407,887.71x = 90,234,525.06 × 38,931,394.58
  4. Step 4: Simplify right side
    65,407,887.71x = 3,512,955,899,373,712
  5. Step 5: Solve for x
    x = 3,512,955,899,373,712/65,407,887.71
  6. Step 6: Final answer
    x = 53,708,444.38

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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.