Home / 152,628,136.20-228,606,281.10-91,938,011.40

Finding the Fourth Proportional to 152,628,136.20, 228,606,281.10 and 91,938,011.40

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Solution

The fourth proportional to 152,628,136.20, 228,606,281.10 and 91,938,011.40 is: 137,704,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,628,136.20 : 228,606,281.10 = 91,938,011.40 : x
  2. Step 2: Convert to fraction form
    152,628,136.20/228,606,281.10 = 91,938,011.40/x
  3. Step 3: Cross multiply
    152,628,136.20x = 228,606,281.10 × 91,938,011.40
  4. Step 4: Simplify right side
    152,628,136.20x = 21,017,606,877,883,404
  5. Step 5: Solve for x
    x = 21,017,606,877,883,404/152,628,136.20
  6. Step 6: Final answer
    x = 137,704,668.36

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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.