Home / 254,312,420.61-350,929,593.47-153,878,264.66

Finding the Fourth Proportional to 254,312,420.61, 350,929,593.47 and 153,878,264.66

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Solution

The fourth proportional to 254,312,420.61, 350,929,593.47 and 153,878,264.66 is: 212,338,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,312,420.61 : 350,929,593.47 = 153,878,264.66 : x
  2. Step 2: Convert to fraction form
    254,312,420.61/350,929,593.47 = 153,878,264.66/x
  3. Step 3: Cross multiply
    254,312,420.61x = 350,929,593.47 × 153,878,264.66
  4. Step 4: Simplify right side
    254,312,420.61x = 54,000,436,861,397,008
  5. Step 5: Solve for x
    x = 54,000,436,861,397,008/254,312,420.61
  6. Step 6: Final answer
    x = 212,338,967.68

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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.