Home / 70,864,302.40-97,792,736.74-38,269,254.40

Finding the Fourth Proportional to 70,864,302.40, 97,792,736.74 and 38,269,254.40

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Solution

The fourth proportional to 70,864,302.40, 97,792,736.74 and 38,269,254.40 is: 52,811,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,864,302.40 : 97,792,736.74 = 38,269,254.40 : x
  2. Step 2: Convert to fraction form
    70,864,302.40/97,792,736.74 = 38,269,254.40/x
  3. Step 3: Cross multiply
    70,864,302.40x = 97,792,736.74 × 38,269,254.40
  4. Step 4: Simplify right side
    70,864,302.40x = 3,742,455,120,435,131.50
  5. Step 5: Solve for x
    x = 3,742,455,120,435,131.50/70,864,302.40
  6. Step 6: Final answer
    x = 52,811,570.76

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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.