Home / 85,009,326.72-127,509,193.72-37,672,222.59

Finding the Fourth Proportional to 85,009,326.72, 127,509,193.72 and 37,672,222.59

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Solution

The fourth proportional to 85,009,326.72, 127,509,193.72 and 37,672,222.59 is: 56,506,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,009,326.72 : 127,509,193.72 = 37,672,222.59 : x
  2. Step 2: Convert to fraction form
    85,009,326.72/127,509,193.72 = 37,672,222.59/x
  3. Step 3: Cross multiply
    85,009,326.72x = 127,509,193.72 × 37,672,222.59
  4. Step 4: Simplify right side
    85,009,326.72x = 4,803,554,727,927,417
  5. Step 5: Solve for x
    x = 4,803,554,727,927,417/85,009,326.72
  6. Step 6: Final answer
    x = 56,506,208.35

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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.