Home / 70,389,153.46-97,140,838.90-39,459,258.10

Finding the Fourth Proportional to 70,389,153.46, 97,140,838.90 and 39,459,258.10

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Solution

The fourth proportional to 70,389,153.46, 97,140,838.90 and 39,459,258.10 is: 54,455,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,389,153.46 : 97,140,838.90 = 39,459,258.10 : x
  2. Step 2: Convert to fraction form
    70,389,153.46/97,140,838.90 = 39,459,258.10/x
  3. Step 3: Cross multiply
    70,389,153.46x = 97,140,838.90 × 39,459,258.10
  4. Step 4: Simplify right side
    70,389,153.46x = 3,833,105,434,205,620.50
  5. Step 5: Solve for x
    x = 3,833,105,434,205,620.50/70,389,153.46
  6. Step 6: Final answer
    x = 54,455,910.40

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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.