Home / 447,946,139.60-671,919,209.40-124,830,011.60

Finding the Fourth Proportional to 447,946,139.60, 671,919,209.40 and 124,830,011.60

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Solution

The fourth proportional to 447,946,139.60, 671,919,209.40 and 124,830,011.60 is: 187,245,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,946,139.60 : 671,919,209.40 = 124,830,011.60 : x
  2. Step 2: Convert to fraction form
    447,946,139.60/671,919,209.40 = 124,830,011.60/x
  3. Step 3: Cross multiply
    447,946,139.60x = 671,919,209.40 × 124,830,011.60
  4. Step 4: Simplify right side
    447,946,139.60x = 83,875,682,703,664,816
  5. Step 5: Solve for x
    x = 83,875,682,703,664,816/447,946,139.60
  6. Step 6: Final answer
    x = 187,245,017.40

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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.