Home / 52,133,293.09-78,207,041.72-30,283,925.41

Finding the Fourth Proportional to 52,133,293.09, 78,207,041.72 and 30,283,925.41

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Solution

The fourth proportional to 52,133,293.09, 78,207,041.72 and 30,283,925.41 is: 45,430,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,133,293.09 : 78,207,041.72 = 30,283,925.41 : x
  2. Step 2: Convert to fraction form
    52,133,293.09/78,207,041.72 = 30,283,925.41/x
  3. Step 3: Cross multiply
    52,133,293.09x = 78,207,041.72 × 30,283,925.41
  4. Step 4: Simplify right side
    52,133,293.09x = 2,368,416,217,985,238
  5. Step 5: Solve for x
    x = 2,368,416,217,985,238/52,133,293.09
  6. Step 6: Final answer
    x = 45,430,013.67

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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.