Home / 139,385,802.42-192,357,105.60-76,666,751.16

Finding the Fourth Proportional to 139,385,802.42, 192,357,105.60 and 76,666,751.16

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Solution

The fourth proportional to 139,385,802.42, 192,357,105.60 and 76,666,751.16 is: 105,802,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,385,802.42 : 192,357,105.60 = 76,666,751.16 : x
  2. Step 2: Convert to fraction form
    139,385,802.42/192,357,105.60 = 76,666,751.16/x
  3. Step 3: Cross multiply
    139,385,802.42x = 192,357,105.60 × 76,666,751.16
  4. Step 4: Simplify right side
    139,385,802.42x = 14,747,394,348,893,042
  5. Step 5: Solve for x
    x = 14,747,394,348,893,042/139,385,802.42
  6. Step 6: Final answer
    x = 105,802,700.80

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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.