Home / 70,127,307.66-105,190,961.91-19,009,326.27

Finding the Fourth Proportional to 70,127,307.66, 105,190,961.91 and 19,009,326.27

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Solution

The fourth proportional to 70,127,307.66, 105,190,961.91 and 19,009,326.27 is: 28,513,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,127,307.66 : 105,190,961.91 = 19,009,326.27 : x
  2. Step 2: Convert to fraction form
    70,127,307.66/105,190,961.91 = 19,009,326.27/x
  3. Step 3: Cross multiply
    70,127,307.66x = 105,190,961.91 × 19,009,326.27
  4. Step 4: Simplify right side
    70,127,307.66x = 1,999,609,315,602,332.25
  5. Step 5: Solve for x
    x = 1,999,609,315,602,332.25/70,127,307.66
  6. Step 6: Final answer
    x = 28,513,989.52

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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.