Home / 229,249,343.20-343,874,014.80-147,620,005.60

Finding the Fourth Proportional to 229,249,343.20, 343,874,014.80 and 147,620,005.60

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Solution

The fourth proportional to 229,249,343.20, 343,874,014.80 and 147,620,005.60 is: 221,430,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,249,343.20 : 343,874,014.80 = 147,620,005.60 : x
  2. Step 2: Convert to fraction form
    229,249,343.20/343,874,014.80 = 147,620,005.60/x
  3. Step 3: Cross multiply
    229,249,343.20x = 343,874,014.80 × 147,620,005.60
  4. Step 4: Simplify right side
    229,249,343.20x = 50,762,683,990,470,480
  5. Step 5: Solve for x
    x = 50,762,683,990,470,480/229,249,343.20
  6. Step 6: Final answer
    x = 221,430,008.40

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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.