Home / 152,628,130.20-228,606,272.10-91,938,005.40

Finding the Fourth Proportional to 152,628,130.20, 228,606,272.10 and 91,938,005.40

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Solution

The fourth proportional to 152,628,130.20, 228,606,272.10 and 91,938,005.40 is: 137,704,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,628,130.20 : 228,606,272.10 = 91,938,005.40 : x
  2. Step 2: Convert to fraction form
    152,628,130.20/228,606,272.10 = 91,938,005.40/x
  3. Step 3: Cross multiply
    152,628,130.20x = 228,606,272.10 × 91,938,005.40
  4. Step 4: Simplify right side
    152,628,130.20x = 21,017,604,678,803,672
  5. Step 5: Solve for x
    x = 21,017,604,678,803,672/152,628,130.20
  6. Step 6: Final answer
    x = 137,704,659.37

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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.