Home / 70,333,505.60-105,500,258.40-39,596,532.80

Finding the Fourth Proportional to 70,333,505.60, 105,500,258.40 and 39,596,532.80

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Solution

The fourth proportional to 70,333,505.60, 105,500,258.40 and 39,596,532.80 is: 59,394,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,333,505.60 : 105,500,258.40 = 39,596,532.80 : x
  2. Step 2: Convert to fraction form
    70,333,505.60/105,500,258.40 = 39,596,532.80/x
  3. Step 3: Cross multiply
    70,333,505.60x = 105,500,258.40 × 39,596,532.80
  4. Step 4: Simplify right side
    70,333,505.60x = 4,177,444,442,144,075.50
  5. Step 5: Solve for x
    x = 4,177,444,442,144,075.50/70,333,505.60
  6. Step 6: Final answer
    x = 59,394,799.20

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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.