Home / 72,602,896.32-100,191,442.14-39,563,043.26

Finding the Fourth Proportional to 72,602,896.32, 100,191,442.14 and 39,563,043.26

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Solution

The fourth proportional to 72,602,896.32, 100,191,442.14 and 39,563,043.26 is: 54,596,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,602,896.32 : 100,191,442.14 = 39,563,043.26 : x
  2. Step 2: Convert to fraction form
    72,602,896.32/100,191,442.14 = 39,563,043.26/x
  3. Step 3: Cross multiply
    72,602,896.32x = 100,191,442.14 × 39,563,043.26
  4. Step 4: Simplify right side
    72,602,896.32x = 3,963,878,359,165,650
  5. Step 5: Solve for x
    x = 3,963,878,359,165,650/72,602,896.32
  6. Step 6: Final answer
    x = 54,596,697.38

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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.