Home / 291,329,600.40-436,868,429.40-145,706,893.20

Finding the Fourth Proportional to 291,329,600.40, 436,868,429.40 and 145,706,893.20

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Solution

The fourth proportional to 291,329,600.40, 436,868,429.40 and 145,706,893.20 is: 218,497,336.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,329,600.40 : 436,868,429.40 = 145,706,893.20 : x
  2. Step 2: Convert to fraction form
    291,329,600.40/436,868,429.40 = 145,706,893.20/x
  3. Step 3: Cross multiply
    291,329,600.40x = 436,868,429.40 × 145,706,893.20
  4. Step 4: Simplify right side
    291,329,600.40x = 63,654,741,585,037,528
  5. Step 5: Solve for x
    x = 63,654,741,585,037,528/291,329,600.40
  6. Step 6: Final answer
    x = 218,497,336.00

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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.