Home / 124,401,802.80-186,602,704.20-79,164,145.20

Finding the Fourth Proportional to 124,401,802.80, 186,602,704.20 and 79,164,145.20

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Solution

The fourth proportional to 124,401,802.80, 186,602,704.20 and 79,164,145.20 is: 118,746,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,401,802.80 : 186,602,704.20 = 79,164,145.20 : x
  2. Step 2: Convert to fraction form
    124,401,802.80/186,602,704.20 = 79,164,145.20/x
  3. Step 3: Cross multiply
    124,401,802.80x = 186,602,704.20 × 79,164,145.20
  4. Step 4: Simplify right side
    124,401,802.80x = 14,772,243,570,001,450
  5. Step 5: Solve for x
    x = 14,772,243,570,001,450/124,401,802.80
  6. Step 6: Final answer
    x = 118,746,217.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.