Home / 71,852,867.60-107,779,301.40-49,178,051.60

Finding the Fourth Proportional to 71,852,867.60, 107,779,301.40 and 49,178,051.60

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Solution

The fourth proportional to 71,852,867.60, 107,779,301.40 and 49,178,051.60 is: 73,767,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,852,867.60 : 107,779,301.40 = 49,178,051.60 : x
  2. Step 2: Convert to fraction form
    71,852,867.60/107,779,301.40 = 49,178,051.60/x
  3. Step 3: Cross multiply
    71,852,867.60x = 107,779,301.40 × 49,178,051.60
  4. Step 4: Simplify right side
    71,852,867.60x = 5,300,376,045,661,153
  5. Step 5: Solve for x
    x = 5,300,376,045,661,153/71,852,867.60
  6. Step 6: Final answer
    x = 73,767,077.40

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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.