Home / 190,762,428.70-286,143,643.05-47,155,260.70

Finding the Fourth Proportional to 190,762,428.70, 286,143,643.05 and 47,155,260.70

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Solution

The fourth proportional to 190,762,428.70, 286,143,643.05 and 47,155,260.70 is: 70,732,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,762,428.70 : 286,143,643.05 = 47,155,260.70 : x
  2. Step 2: Convert to fraction form
    190,762,428.70/286,143,643.05 = 47,155,260.70/x
  3. Step 3: Cross multiply
    190,762,428.70x = 286,143,643.05 × 47,155,260.70
  4. Step 4: Simplify right side
    190,762,428.70x = 13,493,178,085,670,494
  5. Step 5: Solve for x
    x = 13,493,178,085,670,494/190,762,428.70
  6. Step 6: Final answer
    x = 70,732,891.05

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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.