Home / 49,019,931.80-73,529,897.70-13,118,139.80

Finding the Fourth Proportional to 49,019,931.80, 73,529,897.70 and 13,118,139.80

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Solution

The fourth proportional to 49,019,931.80, 73,529,897.70 and 13,118,139.80 is: 19,677,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,019,931.80 : 73,529,897.70 = 13,118,139.80 : x
  2. Step 2: Convert to fraction form
    49,019,931.80/73,529,897.70 = 13,118,139.80/x
  3. Step 3: Cross multiply
    49,019,931.80x = 73,529,897.70 × 13,118,139.80
  4. Step 4: Simplify right side
    49,019,931.80x = 964,575,477,508,298.50
  5. Step 5: Solve for x
    x = 964,575,477,508,298.50/49,019,931.80
  6. Step 6: Final answer
    x = 19,677,209.70

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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.