Home / 70,389,155.44-97,140,841.64-39,459,260.08

Finding the Fourth Proportional to 70,389,155.44, 97,140,841.64 and 39,459,260.08

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Solution

The fourth proportional to 70,389,155.44, 97,140,841.64 and 39,459,260.08 is: 54,455,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,389,155.44 : 97,140,841.64 = 39,459,260.08 : x
  2. Step 2: Convert to fraction form
    70,389,155.44/97,140,841.64 = 39,459,260.08/x
  3. Step 3: Cross multiply
    70,389,155.44x = 97,140,841.64 × 39,459,260.08
  4. Step 4: Simplify right side
    70,389,155.44x = 3,833,105,734,662,853.50
  5. Step 5: Solve for x
    x = 3,833,105,734,662,853.50/70,389,155.44
  6. Step 6: Final answer
    x = 54,455,913.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.