Home / 361,350,875.36-542,038,096.88-172,015,916.32

Finding the Fourth Proportional to 361,350,875.36, 542,038,096.88 and 172,015,916.32

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Solution

The fourth proportional to 361,350,875.36, 542,038,096.88 and 172,015,916.32 is: 258,029,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,350,875.36 : 542,038,096.88 = 172,015,916.32 : x
  2. Step 2: Convert to fraction form
    361,350,875.36/542,038,096.88 = 172,015,916.32/x
  3. Step 3: Cross multiply
    361,350,875.36x = 542,038,096.88 × 172,015,916.32
  4. Step 4: Simplify right side
    361,350,875.36x = 93,239,179,915,162,128
  5. Step 5: Solve for x
    x = 93,239,179,915,162,128/361,350,875.36
  6. Step 6: Final answer
    x = 258,029,484.01

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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.