Home / 76,655,611.70-114,983,417.55-40,249,934.90

Finding the Fourth Proportional to 76,655,611.70, 114,983,417.55 and 40,249,934.90

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Solution

The fourth proportional to 76,655,611.70, 114,983,417.55 and 40,249,934.90 is: 60,374,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,655,611.70 : 114,983,417.55 = 40,249,934.90 : x
  2. Step 2: Convert to fraction form
    76,655,611.70/114,983,417.55 = 40,249,934.90/x
  3. Step 3: Cross multiply
    76,655,611.70x = 114,983,417.55 × 40,249,934.90
  4. Step 4: Simplify right side
    76,655,611.70x = 4,628,075,070,967,017
  5. Step 5: Solve for x
    x = 4,628,075,070,967,017/76,655,611.70
  6. Step 6: Final answer
    x = 60,374,902.35

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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.