Home / 145,163,066.60-217,739,934.30-48,123,252.20

Finding the Fourth Proportional to 145,163,066.60, 217,739,934.30 and 48,123,252.20

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Solution

The fourth proportional to 145,163,066.60, 217,739,934.30 and 48,123,252.20 is: 72,183,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163,066.60 : 217,739,934.30 = 48,123,252.20 : x
  2. Step 2: Convert to fraction form
    145,163,066.60/217,739,934.30 = 48,123,252.20/x
  3. Step 3: Cross multiply
    145,163,066.60x = 217,739,934.30 × 48,123,252.20
  4. Step 4: Simplify right side
    145,163,066.60x = 10,478,353,772,330,332
  5. Step 5: Solve for x
    x = 10,478,353,772,330,332/145,163,066.60
  6. Step 6: Final answer
    x = 72,183,331.60

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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.