Home / 102,814,732.80-153,923,500.80-99,828,748.80

Finding the Fourth Proportional to 102,814,732.80, 153,923,500.80 and 99,828,748.80

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Solution

The fourth proportional to 102,814,732.80, 153,923,500.80 and 99,828,748.80 is: 149,453,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,814,732.80 : 153,923,500.80 = 99,828,748.80 : x
  2. Step 2: Convert to fraction form
    102,814,732.80/153,923,500.80 = 99,828,748.80/x
  3. Step 3: Cross multiply
    102,814,732.80x = 153,923,500.80 × 99,828,748.80
  4. Step 4: Simplify right side
    102,814,732.80x = 15,365,990,495,779,800
  5. Step 5: Solve for x
    x = 15,365,990,495,779,800/102,814,732.80
  6. Step 6: Final answer
    x = 149,453,196.81

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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.