Home / 75,140,898,155.16-103,693,702,772.30-40,844,564,157.21

Finding the Fourth Proportional to 75,140,898,155.16, 103,693,702,772.30 and 40,844,564,157.21

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Solution

The fourth proportional to 75,140,898,155.16, 103,693,702,772.30 and 40,844,564,157.21 is: 56,365,098,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140,898,155.16 : 103,693,702,772.30 = 40,844,564,157.21 : x
  2. Step 2: Convert to fraction form
    75,140,898,155.16/103,693,702,772.30 = 40,844,564,157.21/x
  3. Step 3: Cross multiply
    75,140,898,155.16x = 103,693,702,772.30 × 40,844,564,157.21
  4. Step 4: Simplify right side
    75,140,898,155.16x = 4,235,324,095,581,871,669,248
  5. Step 5: Solve for x
    x = 4,235,324,095,581,871,669,248/75,140,898,155.16
  6. Step 6: Final answer
    x = 56,365,098,096.60

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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.