Home / 98,749,666.40-148,124,499.60-30,599,247.20

Finding the Fourth Proportional to 98,749,666.40, 148,124,499.60 and 30,599,247.20

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Solution

The fourth proportional to 98,749,666.40, 148,124,499.60 and 30,599,247.20 is: 45,898,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,749,666.40 : 148,124,499.60 = 30,599,247.20 : x
  2. Step 2: Convert to fraction form
    98,749,666.40/148,124,499.60 = 30,599,247.20/x
  3. Step 3: Cross multiply
    98,749,666.40x = 148,124,499.60 × 30,599,247.20
  4. Step 4: Simplify right side
    98,749,666.40x = 4,532,498,179,636,701
  5. Step 5: Solve for x
    x = 4,532,498,179,636,701/98,749,666.40
  6. Step 6: Final answer
    x = 45,898,870.80

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Similar ratio
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1.5x scale

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.