Home / 103,552,011.40-155,328,017.10-101,536,472.20

Finding the Fourth Proportional to 103,552,011.40, 155,328,017.10 and 101,536,472.20

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Solution

The fourth proportional to 103,552,011.40, 155,328,017.10 and 101,536,472.20 is: 152,304,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,552,011.40 : 155,328,017.10 = 101,536,472.20 : x
  2. Step 2: Convert to fraction form
    103,552,011.40/155,328,017.10 = 101,536,472.20/x
  3. Step 3: Cross multiply
    103,552,011.40x = 155,328,017.10 × 101,536,472.20
  4. Step 4: Simplify right side
    103,552,011.40x = 15,771,458,890,155,274
  5. Step 5: Solve for x
    x = 15,771,458,890,155,274/103,552,011.40
  6. Step 6: Final answer
    x = 152,304,708.30

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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.