Home / 315,542,802.76-473,365,064.28-97,193,043.40

Finding the Fourth Proportional to 315,542,802.76, 473,365,064.28 and 97,193,043.40

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Solution

The fourth proportional to 315,542,802.76, 473,365,064.28 and 97,193,043.40 is: 145,805,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,542,802.76 : 473,365,064.28 = 97,193,043.40 : x
  2. Step 2: Convert to fraction form
    315,542,802.76/473,365,064.28 = 97,193,043.40/x
  3. Step 3: Cross multiply
    315,542,802.76x = 473,365,064.28 × 97,193,043.40
  4. Step 4: Simplify right side
    315,542,802.76x = 46,007,791,236,609,832
  5. Step 5: Solve for x
    x = 46,007,791,236,609,832/315,542,802.76
  6. Step 6: Final answer
    x = 145,805,230.97

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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.