Home / 186,164,638.20-279,246,957.30-166,076,168.40

Finding the Fourth Proportional to 186,164,638.20, 279,246,957.30 and 166,076,168.40

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Solution

The fourth proportional to 186,164,638.20, 279,246,957.30 and 166,076,168.40 is: 249,114,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,164,638.20 : 279,246,957.30 = 166,076,168.40 : x
  2. Step 2: Convert to fraction form
    186,164,638.20/279,246,957.30 = 166,076,168.40/x
  3. Step 3: Cross multiply
    186,164,638.20x = 279,246,957.30 × 166,076,168.40
  4. Step 4: Simplify right side
    186,164,638.20x = 46,376,264,705,742,416
  5. Step 5: Solve for x
    x = 46,376,264,705,742,416/186,164,638.20
  6. Step 6: Final answer
    x = 249,114,252.60

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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.