Home / 158,646,333.22-237,980,431.78-66,437,230.12

Finding the Fourth Proportional to 158,646,333.22, 237,980,431.78 and 66,437,230.12

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Solution

The fourth proportional to 158,646,333.22, 237,980,431.78 and 66,437,230.12 is: 99,660,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,646,333.22 : 237,980,431.78 = 66,437,230.12 : x
  2. Step 2: Convert to fraction form
    158,646,333.22/237,980,431.78 = 66,437,230.12/x
  3. Step 3: Cross multiply
    158,646,333.22x = 237,980,431.78 × 66,437,230.12
  4. Step 4: Simplify right side
    158,646,333.22x = 15,810,760,710,224,820
  5. Step 5: Solve for x
    x = 15,810,760,710,224,820/158,646,333.22
  6. Step 6: Final answer
    x = 99,660,423.22

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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.