Home / 65,220,018-90,004,743.03-35,852,588.34

Finding the Fourth Proportional to 65,220,018, 90,004,743.03 and 35,852,588.34

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Solution

The fourth proportional to 65,220,018, 90,004,743.03 and 35,852,588.34 is: 49,477,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,220,018 : 90,004,743.03 = 35,852,588.34 : x
  2. Step 2: Convert to fraction form
    65,220,018/90,004,743.03 = 35,852,588.34/x
  3. Step 3: Cross multiply
    65,220,018x = 90,004,743.03 × 35,852,588.34
  4. Step 4: Simplify right side
    65,220,018x = 3,226,903,000,502,074.50
  5. Step 5: Solve for x
    x = 3,226,903,000,502,074.50/65,220,018
  6. Step 6: Final answer
    x = 49,477,186.60

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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.