Home / 139,349,608.07-192,314,702.18-76,636,746.81

Finding the Fourth Proportional to 139,349,608.07, 192,314,702.18 and 76,636,746.81

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Solution

The fourth proportional to 139,349,608.07, 192,314,702.18 and 76,636,746.81 is: 105,765,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,349,608.07 : 192,314,702.18 = 76,636,746.81 : x
  2. Step 2: Convert to fraction form
    139,349,608.07/192,314,702.18 = 76,636,746.81/x
  3. Step 3: Cross multiply
    139,349,608.07x = 192,314,702.18 × 76,636,746.81
  4. Step 4: Simplify right side
    139,349,608.07x = 14,738,373,139,000,808
  5. Step 5: Solve for x
    x = 14,738,373,139,000,808/139,349,608.07
  6. Step 6: Final answer
    x = 105,765,443.79

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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.