Home / 124,339,805.40-186,509,708.10-116,775,312.60

Finding the Fourth Proportional to 124,339,805.40, 186,509,708.10 and 116,775,312.60

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Solution

The fourth proportional to 124,339,805.40, 186,509,708.10 and 116,775,312.60 is: 175,162,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,339,805.40 : 186,509,708.10 = 116,775,312.60 : x
  2. Step 2: Convert to fraction form
    124,339,805.40/186,509,708.10 = 116,775,312.60/x
  3. Step 3: Cross multiply
    124,339,805.40x = 186,509,708.10 × 116,775,312.60
  4. Step 4: Simplify right side
    124,339,805.40x = 21,779,729,466,312,252
  5. Step 5: Solve for x
    x = 21,779,729,466,312,252/124,339,805.40
  6. Step 6: Final answer
    x = 175,162,968.90

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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.