Home / 76,807,668.06-105,908,386.28-48,886,151.58

Finding the Fourth Proportional to 76,807,668.06, 105,908,386.28 and 48,886,151.58

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Solution

The fourth proportional to 76,807,668.06, 105,908,386.28 and 48,886,151.58 is: 67,408,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,807,668.06 : 105,908,386.28 = 48,886,151.58 : x
  2. Step 2: Convert to fraction form
    76,807,668.06/105,908,386.28 = 48,886,151.58/x
  3. Step 3: Cross multiply
    76,807,668.06x = 105,908,386.28 × 48,886,151.58
  4. Step 4: Simplify right side
    76,807,668.06x = 5,177,453,425,032,842
  5. Step 5: Solve for x
    x = 5,177,453,425,032,842/76,807,668.06
  6. Step 6: Final answer
    x = 67,408,027.82

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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.