Home / 74,909,710.80-112,364,566.20-38,467,292.40

Finding the Fourth Proportional to 74,909,710.80, 112,364,566.20 and 38,467,292.40

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Solution

The fourth proportional to 74,909,710.80, 112,364,566.20 and 38,467,292.40 is: 57,700,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,909,710.80 : 112,364,566.20 = 38,467,292.40 : x
  2. Step 2: Convert to fraction form
    74,909,710.80/112,364,566.20 = 38,467,292.40/x
  3. Step 3: Cross multiply
    74,909,710.80x = 112,364,566.20 × 38,467,292.40
  4. Step 4: Simplify right side
    74,909,710.80x = 4,322,360,623,414,557
  5. Step 5: Solve for x
    x = 4,322,360,623,414,557/74,909,710.80
  6. Step 6: Final answer
    x = 57,700,938.60

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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.