Home / 68,023,421.33-93,871,424.93-38,254,060.53

Finding the Fourth Proportional to 68,023,421.33, 93,871,424.93 and 38,254,060.53

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Solution

The fourth proportional to 68,023,421.33, 93,871,424.93 and 38,254,060.53 is: 52,790,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,023,421.33 : 93,871,424.93 = 38,254,060.53 : x
  2. Step 2: Convert to fraction form
    68,023,421.33/93,871,424.93 = 38,254,060.53/x
  3. Step 3: Cross multiply
    68,023,421.33x = 93,871,424.93 × 38,254,060.53
  4. Step 4: Simplify right side
    68,023,421.33x = 3,590,963,171,118,300.50
  5. Step 5: Solve for x
    x = 3,590,963,171,118,300.50/68,023,421.33
  6. Step 6: Final answer
    x = 52,790,099.37

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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.