Home / 341,657,878.12-512,574,209.70-99,320,782.12

Finding the Fourth Proportional to 341,657,878.12, 512,574,209.70 and 99,320,782.12

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Solution

The fourth proportional to 341,657,878.12, 512,574,209.70 and 99,320,782.12 is: 149,006,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,657,878.12 : 512,574,209.70 = 99,320,782.12 : x
  2. Step 2: Convert to fraction form
    341,657,878.12/512,574,209.70 = 99,320,782.12/x
  3. Step 3: Cross multiply
    341,657,878.12x = 512,574,209.70 × 99,320,782.12
  4. Step 4: Simplify right side
    341,657,878.12x = 50,909,271,401,944,888
  5. Step 5: Solve for x
    x = 50,909,271,401,944,888/341,657,878.12
  6. Step 6: Final answer
    x = 149,006,578.40

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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.