Home / 100,897,602.90-139,238,690.73-54,487,852.72

Finding the Fourth Proportional to 100,897,602.90, 139,238,690.73 and 54,487,852.72

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Solution

The fourth proportional to 100,897,602.90, 139,238,690.73 and 54,487,852.72 is: 75,193,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897,602.90 : 139,238,690.73 = 54,487,852.72 : x
  2. Step 2: Convert to fraction form
    100,897,602.90/139,238,690.73 = 54,487,852.72/x
  3. Step 3: Cross multiply
    100,897,602.90x = 139,238,690.73 × 54,487,852.72
  4. Step 4: Simplify right side
    100,897,602.90x = 7,586,817,273,149,430
  5. Step 5: Solve for x
    x = 7,586,817,273,149,430/100,897,602.90
  6. Step 6: Final answer
    x = 75,193,236.06

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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.