Home / 105,523,731.23-145,622,638.64-59,114,311.83

Finding the Fourth Proportional to 105,523,731.23, 145,622,638.64 and 59,114,311.83

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Solution

The fourth proportional to 105,523,731.23, 145,622,638.64 and 59,114,311.83 is: 81,577,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,523,731.23 : 145,622,638.64 = 59,114,311.83 : x
  2. Step 2: Convert to fraction form
    105,523,731.23/145,622,638.64 = 59,114,311.83/x
  3. Step 3: Cross multiply
    105,523,731.23x = 145,622,638.64 × 59,114,311.83
  4. Step 4: Simplify right side
    105,523,731.23x = 8,608,382,069,776,795
  5. Step 5: Solve for x
    x = 8,608,382,069,776,795/105,523,731.23
  6. Step 6: Final answer
    x = 81,577,688.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.