Home / 91,992,274.40-137,988,411.60-57,980,050.40

Finding the Fourth Proportional to 91,992,274.40, 137,988,411.60 and 57,980,050.40

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Solution

The fourth proportional to 91,992,274.40, 137,988,411.60 and 57,980,050.40 is: 86,970,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,992,274.40 : 137,988,411.60 = 57,980,050.40 : x
  2. Step 2: Convert to fraction form
    91,992,274.40/137,988,411.60 = 57,980,050.40/x
  3. Step 3: Cross multiply
    91,992,274.40x = 137,988,411.60 × 57,980,050.40
  4. Step 4: Simplify right side
    91,992,274.40x = 8,000,575,059,183,944
  5. Step 5: Solve for x
    x = 8,000,575,059,183,944/91,992,274.40
  6. Step 6: Final answer
    x = 86,970,075.60

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Similar ratio
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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.