Home / 145,702,831.82-201,070,433.08-79,623,341.01

Finding the Fourth Proportional to 145,702,831.82, 201,070,433.08 and 79,623,341.01

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Solution

The fourth proportional to 145,702,831.82, 201,070,433.08 and 79,623,341.01 is: 109,880,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,702,831.82 : 201,070,433.08 = 79,623,341.01 : x
  2. Step 2: Convert to fraction form
    145,702,831.82/201,070,433.08 = 79,623,341.01/x
  3. Step 3: Cross multiply
    145,702,831.82x = 201,070,433.08 × 79,623,341.01
  4. Step 4: Simplify right side
    145,702,831.82x = 16,009,899,659,809,272
  5. Step 5: Solve for x
    x = 16,009,899,659,809,272/145,702,831.82
  6. Step 6: Final answer
    x = 109,880,497.59

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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.