Home / 120,510,698.40-166,304,870.96-65,506,554.90

Finding the Fourth Proportional to 120,510,698.40, 166,304,870.96 and 65,506,554.90

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Solution

The fourth proportional to 120,510,698.40, 166,304,870.96 and 65,506,554.90 is: 90,399,104.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,510,698.40 : 166,304,870.96 = 65,506,554.90 : x
  2. Step 2: Convert to fraction form
    120,510,698.40/166,304,870.96 = 65,506,554.90/x
  3. Step 3: Cross multiply
    120,510,698.40x = 166,304,870.96 × 65,506,554.90
  4. Step 4: Simplify right side
    120,510,698.40x = 10,894,059,159,351,124
  5. Step 5: Solve for x
    x = 10,894,059,159,351,124/120,510,698.40
  6. Step 6: Final answer
    x = 90,399,104.01

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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.