Home / 98,935,939.80-148,403,909.70-74,383,365.60

Finding the Fourth Proportional to 98,935,939.80, 148,403,909.70 and 74,383,365.60

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Solution

The fourth proportional to 98,935,939.80, 148,403,909.70 and 74,383,365.60 is: 111,575,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,935,939.80 : 148,403,909.70 = 74,383,365.60 : x
  2. Step 2: Convert to fraction form
    98,935,939.80/148,403,909.70 = 74,383,365.60/x
  3. Step 3: Cross multiply
    98,935,939.80x = 148,403,909.70 × 74,383,365.60
  4. Step 4: Simplify right side
    98,935,939.80x = 11,038,782,271,684,484
  5. Step 5: Solve for x
    x = 11,038,782,271,684,484/98,935,939.80
  6. Step 6: Final answer
    x = 111,575,048.40

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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.