Home / 70,455,817.60-105,584,193.60-52,116,899.20

Finding the Fourth Proportional to 70,455,817.60, 105,584,193.60 and 52,116,899.20

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Solution

The fourth proportional to 70,455,817.60, 105,584,193.60 and 52,116,899.20 is: 78,101,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,455,817.60 : 105,584,193.60 = 52,116,899.20 : x
  2. Step 2: Convert to fraction form
    70,455,817.60/105,584,193.60 = 52,116,899.20/x
  3. Step 3: Cross multiply
    70,455,817.60x = 105,584,193.60 × 52,116,899.20
  4. Step 4: Simplify right side
    70,455,817.60x = 5,502,720,774,964,485
  5. Step 5: Solve for x
    x = 5,502,720,774,964,485/70,455,817.60
  6. Step 6: Final answer
    x = 78,101,723.36

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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.