Home / 115,900,859.60-173,851,289.40-69,984,357.20

Finding the Fourth Proportional to 115,900,859.60, 173,851,289.40 and 69,984,357.20

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Solution

The fourth proportional to 115,900,859.60, 173,851,289.40 and 69,984,357.20 is: 104,976,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,900,859.60 : 173,851,289.40 = 69,984,357.20 : x
  2. Step 2: Convert to fraction form
    115,900,859.60/173,851,289.40 = 69,984,357.20/x
  3. Step 3: Cross multiply
    115,900,859.60x = 173,851,289.40 × 69,984,357.20
  4. Step 4: Simplify right side
    115,900,859.60x = 12,166,870,737,050,174
  5. Step 5: Solve for x
    x = 12,166,870,737,050,174/115,900,859.60
  6. Step 6: Final answer
    x = 104,976,535.80

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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.