Home / 193,559,807.70-290,339,711.55-145,186,866.90

Finding the Fourth Proportional to 193,559,807.70, 290,339,711.55 and 145,186,866.90

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Solution

The fourth proportional to 193,559,807.70, 290,339,711.55 and 145,186,866.90 is: 217,780,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,559,807.70 : 290,339,711.55 = 145,186,866.90 : x
  2. Step 2: Convert to fraction form
    193,559,807.70/290,339,711.55 = 145,186,866.90/x
  3. Step 3: Cross multiply
    193,559,807.70x = 290,339,711.55 × 145,186,866.90
  4. Step 4: Simplify right side
    193,559,807.70x = 42,153,513,056,594,248
  5. Step 5: Solve for x
    x = 42,153,513,056,594,248/193,559,807.70
  6. Step 6: Final answer
    x = 217,780,300.35

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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.