Home / 97,011,423.40-145,517,135.10-83,973,404.20

Finding the Fourth Proportional to 97,011,423.40, 145,517,135.10 and 83,973,404.20

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Solution

The fourth proportional to 97,011,423.40, 145,517,135.10 and 83,973,404.20 is: 125,960,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,011,423.40 : 145,517,135.10 = 83,973,404.20 : x
  2. Step 2: Convert to fraction form
    97,011,423.40/145,517,135.10 = 83,973,404.20/x
  3. Step 3: Cross multiply
    97,011,423.40x = 145,517,135.10 × 83,973,404.20
  4. Step 4: Simplify right side
    97,011,423.40x = 12,219,569,203,778,308
  5. Step 5: Solve for x
    x = 12,219,569,203,778,308/97,011,423.40
  6. Step 6: Final answer
    x = 125,960,106.30

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1.5x scale

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.