Home / 368,872,815.20-553,309,222.80-96,243,582.20

Finding the Fourth Proportional to 368,872,815.20, 553,309,222.80 and 96,243,582.20

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Solution

The fourth proportional to 368,872,815.20, 553,309,222.80 and 96,243,582.20 is: 144,365,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,872,815.20 : 553,309,222.80 = 96,243,582.20 : x
  2. Step 2: Convert to fraction form
    368,872,815.20/553,309,222.80 = 96,243,582.20/x
  3. Step 3: Cross multiply
    368,872,815.20x = 553,309,222.80 × 96,243,582.20
  4. Step 4: Simplify right side
    368,872,815.20x = 53,252,461,666,569,912
  5. Step 5: Solve for x
    x = 53,252,461,666,569,912/368,872,815.20
  6. Step 6: Final answer
    x = 144,365,373.30

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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.