Home / 158,646,332.22-237,980,430.28-66,437,229.12

Finding the Fourth Proportional to 158,646,332.22, 237,980,430.28 and 66,437,229.12

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Solution

The fourth proportional to 158,646,332.22, 237,980,430.28 and 66,437,229.12 is: 99,660,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,646,332.22 : 237,980,430.28 = 66,437,229.12 : x
  2. Step 2: Convert to fraction form
    158,646,332.22/237,980,430.28 = 66,437,229.12/x
  3. Step 3: Cross multiply
    158,646,332.22x = 237,980,430.28 × 66,437,229.12
  4. Step 4: Simplify right side
    158,646,332.22x = 15,810,760,372,588,546
  5. Step 5: Solve for x
    x = 15,810,760,372,588,546/158,646,332.22
  6. Step 6: Final answer
    x = 99,660,421.72

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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.