Home / 379,562,885.12-569,369,309.49-99,450,658.55

Finding the Fourth Proportional to 379,562,885.12, 569,369,309.49 and 99,450,658.55

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Solution

The fourth proportional to 379,562,885.12, 569,369,309.49 and 99,450,658.55 is: 149,182,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,562,885.12 : 569,369,309.49 = 99,450,658.55 : x
  2. Step 2: Convert to fraction form
    379,562,885.12/569,369,309.49 = 99,450,658.55/x
  3. Step 3: Cross multiply
    379,562,885.12x = 569,369,309.49 × 99,450,658.55
  4. Step 4: Simplify right side
    379,562,885.12x = 56,624,152,788,362,688
  5. Step 5: Solve for x
    x = 56,624,152,788,362,688/379,562,885.12
  6. Step 6: Final answer
    x = 149,182,533.40

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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.