Home / 172,369,954.60-258,554,931.90-156,497,583.40

Finding the Fourth Proportional to 172,369,954.60, 258,554,931.90 and 156,497,583.40

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Solution

The fourth proportional to 172,369,954.60, 258,554,931.90 and 156,497,583.40 is: 234,746,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,369,954.60 : 258,554,931.90 = 156,497,583.40 : x
  2. Step 2: Convert to fraction form
    172,369,954.60/258,554,931.90 = 156,497,583.40/x
  3. Step 3: Cross multiply
    172,369,954.60x = 258,554,931.90 × 156,497,583.40
  4. Step 4: Simplify right side
    172,369,954.60x = 40,463,222,018,501,576
  5. Step 5: Solve for x
    x = 40,463,222,018,501,576/172,369,954.60
  6. Step 6: Final answer
    x = 234,746,375.10

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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.