Home / 272,549,330.31-376,116,162.48-148,790,007.45

Finding the Fourth Proportional to 272,549,330.31, 376,116,162.48 and 148,790,007.45

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Solution

The fourth proportional to 272,549,330.31, 376,116,162.48 and 148,790,007.45 is: 205,329,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,549,330.31 : 376,116,162.48 = 148,790,007.45 : x
  2. Step 2: Convert to fraction form
    272,549,330.31/376,116,162.48 = 148,790,007.45/x
  3. Step 3: Cross multiply
    272,549,330.31x = 376,116,162.48 × 148,790,007.45
  4. Step 4: Simplify right side
    272,549,330.31x = 55,962,326,617,464,608
  5. Step 5: Solve for x
    x = 55,962,326,617,464,608/272,549,330.31
  6. Step 6: Final answer
    x = 205,329,165.75

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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.