Home / 239,243,359.20-358,865,038.80-118,311,007.20

Finding the Fourth Proportional to 239,243,359.20, 358,865,038.80 and 118,311,007.20

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Solution

The fourth proportional to 239,243,359.20, 358,865,038.80 and 118,311,007.20 is: 177,466,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,243,359.20 : 358,865,038.80 = 118,311,007.20 : x
  2. Step 2: Convert to fraction form
    239,243,359.20/358,865,038.80 = 118,311,007.20/x
  3. Step 3: Cross multiply
    239,243,359.20x = 358,865,038.80 × 118,311,007.20
  4. Step 4: Simplify right side
    239,243,359.20x = 42,457,684,189,295,080
  5. Step 5: Solve for x
    x = 42,457,684,189,295,080/239,243,359.20
  6. Step 6: Final answer
    x = 177,466,510.80

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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.