Home / 300,638,461.68-450,847,085.16-103,851,799.92

Finding the Fourth Proportional to 300,638,461.68, 450,847,085.16 and 103,851,799.92

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Solution

The fourth proportional to 300,638,461.68, 450,847,085.16 and 103,851,799.92 is: 155,739,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,638,461.68 : 450,847,085.16 = 103,851,799.92 : x
  2. Step 2: Convert to fraction form
    300,638,461.68/450,847,085.16 = 103,851,799.92/x
  3. Step 3: Cross multiply
    300,638,461.68x = 450,847,085.16 × 103,851,799.92
  4. Step 4: Simplify right side
    300,638,461.68x = 46,821,281,282,551,528
  5. Step 5: Solve for x
    x = 46,821,281,282,551,528/300,638,461.68
  6. Step 6: Final answer
    x = 155,739,491.95

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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.