Home / 145,164,156.60-217,741,569.30-48,124,342.20

Finding the Fourth Proportional to 145,164,156.60, 217,741,569.30 and 48,124,342.20

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Solution

The fourth proportional to 145,164,156.60, 217,741,569.30 and 48,124,342.20 is: 72,184,966.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,164,156.60 : 217,741,569.30 = 48,124,342.20 : x
  2. Step 2: Convert to fraction form
    145,164,156.60/217,741,569.30 = 48,124,342.20/x
  3. Step 3: Cross multiply
    145,164,156.60x = 217,741,569.30 × 48,124,342.20
  4. Step 4: Simplify right side
    145,164,156.60x = 10,478,669,792,158,216
  5. Step 5: Solve for x
    x = 10,478,669,792,158,216/145,164,156.60
  6. Step 6: Final answer
    x = 72,184,966.58

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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.