Home / 67,429,754.55-101,133,223.74-18,896,438.34

Finding the Fourth Proportional to 67,429,754.55, 101,133,223.74 and 18,896,438.34

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Solution

The fourth proportional to 67,429,754.55, 101,133,223.74 and 18,896,438.34 is: 28,341,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,429,754.55 : 101,133,223.74 = 18,896,438.34 : x
  2. Step 2: Convert to fraction form
    67,429,754.55/101,133,223.74 = 18,896,438.34/x
  3. Step 3: Cross multiply
    67,429,754.55x = 101,133,223.74 × 18,896,438.34
  4. Step 4: Simplify right side
    67,429,754.55x = 1,911,057,726,528,334
  5. Step 5: Solve for x
    x = 1,911,057,726,528,334/67,429,754.55
  6. Step 6: Final answer
    x = 28,341,460.52

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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.