Home / 125,288,606.81-172,896,156-70,283,282.33

Finding the Fourth Proportional to 125,288,606.81, 172,896,156 and 70,283,282.33

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Solution

The fourth proportional to 125,288,606.81, 172,896,156 and 70,283,282.33 is: 96,989,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,288,606.81 : 172,896,156 = 70,283,282.33 : x
  2. Step 2: Convert to fraction form
    125,288,606.81/172,896,156 = 70,283,282.33/x
  3. Step 3: Cross multiply
    125,288,606.81x = 172,896,156 × 70,283,282.33
  4. Step 4: Simplify right side
    125,288,606.81x = 12,151,709,346,351,964
  5. Step 5: Solve for x
    x = 12,151,709,346,351,964/125,288,606.81
  6. Step 6: Final answer
    x = 96,989,739.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.