Home / 190,762,447.70-286,143,671.55-47,155,279.70

Finding the Fourth Proportional to 190,762,447.70, 286,143,671.55 and 47,155,279.70

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Solution

The fourth proportional to 190,762,447.70, 286,143,671.55 and 47,155,279.70 is: 70,732,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,762,447.70 : 286,143,671.55 = 47,155,279.70 : x
  2. Step 2: Convert to fraction form
    190,762,447.70/286,143,671.55 = 47,155,279.70/x
  3. Step 3: Cross multiply
    190,762,447.70x = 286,143,671.55 × 47,155,279.70
  4. Step 4: Simplify right side
    190,762,447.70x = 13,493,184,866,325,184
  5. Step 5: Solve for x
    x = 13,493,184,866,325,184/190,762,447.70
  6. Step 6: Final answer
    x = 70,732,919.55

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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.