Home / 130,122,828.95-179,558,067.47-74,357,182.98

Finding the Fourth Proportional to 130,122,828.95, 179,558,067.47 and 74,357,182.98

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Solution

The fourth proportional to 130,122,828.95, 179,558,067.47 and 74,357,182.98 is: 102,606,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,122,828.95 : 179,558,067.47 = 74,357,182.98 : x
  2. Step 2: Convert to fraction form
    130,122,828.95/179,558,067.47 = 74,357,182.98/x
  3. Step 3: Cross multiply
    130,122,828.95x = 179,558,067.47 × 74,357,182.98
  4. Step 4: Simplify right side
    130,122,828.95x = 13,351,432,078,030,190
  5. Step 5: Solve for x
    x = 13,351,432,078,030,190/130,122,828.95
  6. Step 6: Final answer
    x = 102,606,377.27

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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.