Home / 79,594,061.40-119,332,109.70-53,971,123.80

Finding the Fourth Proportional to 79,594,061.40, 119,332,109.70 and 53,971,123.80

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Solution

The fourth proportional to 79,594,061.40, 119,332,109.70 and 53,971,123.80 is: 80,916,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,594,061.40 : 119,332,109.70 = 53,971,123.80 : x
  2. Step 2: Convert to fraction form
    79,594,061.40/119,332,109.70 = 53,971,123.80/x
  3. Step 3: Cross multiply
    79,594,061.40x = 119,332,109.70 × 53,971,123.80
  4. Step 4: Simplify right side
    79,594,061.40x = 6,440,488,065,933,881
  5. Step 5: Solve for x
    x = 6,440,488,065,933,881/79,594,061.40
  6. Step 6: Final answer
    x = 80,916,690.93

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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.