Home / 77,845,101.60-116,767,652.40-49,179,655.20

Finding the Fourth Proportional to 77,845,101.60, 116,767,652.40 and 49,179,655.20

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Solution

The fourth proportional to 77,845,101.60, 116,767,652.40 and 49,179,655.20 is: 73,769,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,845,101.60 : 116,767,652.40 = 49,179,655.20 : x
  2. Step 2: Convert to fraction form
    77,845,101.60/116,767,652.40 = 49,179,655.20/x
  3. Step 3: Cross multiply
    77,845,101.60x = 116,767,652.40 × 49,179,655.20
  4. Step 4: Simplify right side
    77,845,101.60x = 5,742,592,883,545,453
  5. Step 5: Solve for x
    x = 5,742,592,883,545,453/77,845,101.60
  6. Step 6: Final answer
    x = 73,769,482.80

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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.