Home / 99,069,544.80-148,604,317.20-53,153,042.40

Finding the Fourth Proportional to 99,069,544.80, 148,604,317.20 and 53,153,042.40

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Solution

The fourth proportional to 99,069,544.80, 148,604,317.20 and 53,153,042.40 is: 79,729,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,069,544.80 : 148,604,317.20 = 53,153,042.40 : x
  2. Step 2: Convert to fraction form
    99,069,544.80/148,604,317.20 = 53,153,042.40/x
  3. Step 3: Cross multiply
    99,069,544.80x = 148,604,317.20 × 53,153,042.40
  4. Step 4: Simplify right side
    99,069,544.80x = 7,898,771,572,954,648
  5. Step 5: Solve for x
    x = 7,898,771,572,954,648/99,069,544.80
  6. Step 6: Final answer
    x = 79,729,563.60

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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.