Home / 74,679,964.60-112,019,946.90-74,201,667.70

Finding the Fourth Proportional to 74,679,964.60, 112,019,946.90 and 74,201,667.70

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Solution

The fourth proportional to 74,679,964.60, 112,019,946.90 and 74,201,667.70 is: 111,302,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,679,964.60 : 112,019,946.90 = 74,201,667.70 : x
  2. Step 2: Convert to fraction form
    74,679,964.60/112,019,946.90 = 74,201,667.70/x
  3. Step 3: Cross multiply
    74,679,964.60x = 112,019,946.90 × 74,201,667.70
  4. Step 4: Simplify right side
    74,679,964.60x = 8,312,066,875,645,446
  5. Step 5: Solve for x
    x = 8,312,066,875,645,446/74,679,964.60
  6. Step 6: Final answer
    x = 111,302,501.55

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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.