Home / 153,072,186.44-211,233,533.27-90,368,483.85

Finding the Fourth Proportional to 153,072,186.44, 211,233,533.27 and 90,368,483.85

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Solution

The fourth proportional to 153,072,186.44, 211,233,533.27 and 90,368,483.85 is: 124,704,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,072,186.44 : 211,233,533.27 = 90,368,483.85 : x
  2. Step 2: Convert to fraction form
    153,072,186.44/211,233,533.27 = 90,368,483.85/x
  3. Step 3: Cross multiply
    153,072,186.44x = 211,233,533.27 × 90,368,483.85
  4. Step 4: Simplify right side
    153,072,186.44x = 19,088,854,139,436,588
  5. Step 5: Solve for x
    x = 19,088,854,139,436,588/153,072,186.44
  6. Step 6: Final answer
    x = 124,704,915.92

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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.