Home / 105,762,936.54-145,851,421.23-68,047,606.74

Finding the Fourth Proportional to 105,762,936.54, 145,851,421.23 and 68,047,606.74

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Solution

The fourth proportional to 105,762,936.54, 145,851,421.23 and 68,047,606.74 is: 93,840,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,762,936.54 : 145,851,421.23 = 68,047,606.74 : x
  2. Step 2: Convert to fraction form
    105,762,936.54/145,851,421.23 = 68,047,606.74/x
  3. Step 3: Cross multiply
    105,762,936.54x = 145,851,421.23 × 68,047,606.74
  4. Step 4: Simplify right side
    105,762,936.54x = 9,924,840,154,329,126
  5. Step 5: Solve for x
    x = 9,924,840,154,329,126/105,762,936.54
  6. Step 6: Final answer
    x = 93,840,436.73

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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.