Home / 99,043,514.40-148,565,271.60-76,368,698.40

Finding the Fourth Proportional to 99,043,514.40, 148,565,271.60 and 76,368,698.40

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Solution

The fourth proportional to 99,043,514.40, 148,565,271.60 and 76,368,698.40 is: 114,553,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,043,514.40 : 148,565,271.60 = 76,368,698.40 : x
  2. Step 2: Convert to fraction form
    99,043,514.40/148,565,271.60 = 76,368,698.40/x
  3. Step 3: Cross multiply
    99,043,514.40x = 148,565,271.60 × 76,368,698.40
  4. Step 4: Simplify right side
    99,043,514.40x = 11,345,736,419,534,486
  5. Step 5: Solve for x
    x = 11,345,736,419,534,486/99,043,514.40
  6. Step 6: Final answer
    x = 114,553,047.60

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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.