Home / 315,611,721.10-473,428,407.30-97,260,328.90

Finding the Fourth Proportional to 315,611,721.10, 473,428,407.30 and 97,260,328.90

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Solution

The fourth proportional to 315,611,721.10, 473,428,407.30 and 97,260,328.90 is: 145,893,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,611,721.10 : 473,428,407.30 = 97,260,328.90 : x
  2. Step 2: Convert to fraction form
    315,611,721.10/473,428,407.30 = 97,260,328.90/x
  3. Step 3: Cross multiply
    315,611,721.10x = 473,428,407.30 × 97,260,328.90
  4. Step 4: Simplify right side
    315,611,721.10x = 46,045,802,604,601,168
  5. Step 5: Solve for x
    x = 46,045,802,604,601,168/315,611,721.10
  6. Step 6: Final answer
    x = 145,893,829.43

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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.