Home / 96,808,909.40-145,213,364.10-74,889,920.60

Finding the Fourth Proportional to 96,808,909.40, 145,213,364.10 and 74,889,920.60

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Solution

The fourth proportional to 96,808,909.40, 145,213,364.10 and 74,889,920.60 is: 112,334,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,808,909.40 : 145,213,364.10 = 74,889,920.60 : x
  2. Step 2: Convert to fraction form
    96,808,909.40/145,213,364.10 = 74,889,920.60/x
  3. Step 3: Cross multiply
    96,808,909.40x = 145,213,364.10 × 74,889,920.60
  4. Step 4: Simplify right side
    96,808,909.40x = 10,875,017,307,507,890
  5. Step 5: Solve for x
    x = 10,875,017,307,507,890/96,808,909.40
  6. Step 6: Final answer
    x = 112,334,880.90

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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.