Home / 70,365,931.16-97,104,918.22-39,426,321.87

Finding the Fourth Proportional to 70,365,931.16, 97,104,918.22 and 39,426,321.87

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Solution

The fourth proportional to 70,365,931.16, 97,104,918.22 and 39,426,321.87 is: 54,408,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,365,931.16 : 97,104,918.22 = 39,426,321.87 : x
  2. Step 2: Convert to fraction form
    70,365,931.16/97,104,918.22 = 39,426,321.87/x
  3. Step 3: Cross multiply
    70,365,931.16x = 97,104,918.22 × 39,426,321.87
  4. Step 4: Simplify right side
    70,365,931.16x = 3,828,489,760,803,181.50
  5. Step 5: Solve for x
    x = 3,828,489,760,803,181.50/70,365,931.16
  6. Step 6: Final answer
    x = 54,408,286.77

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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.