Home / 368,748,659.31-553,516,743.17-158,763,335.21

Finding the Fourth Proportional to 368,748,659.31, 553,516,743.17 and 158,763,335.21

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Solution

The fourth proportional to 368,748,659.31, 553,516,743.17 and 158,763,335.21 is: 238,314,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,748,659.31 : 553,516,743.17 = 158,763,335.21 : x
  2. Step 2: Convert to fraction form
    368,748,659.31/553,516,743.17 = 158,763,335.21/x
  3. Step 3: Cross multiply
    368,748,659.31x = 553,516,743.17 × 158,763,335.21
  4. Step 4: Simplify right side
    368,748,659.31x = 87,878,164,237,478,608
  5. Step 5: Solve for x
    x = 87,878,164,237,478,608/368,748,659.31
  6. Step 6: Final answer
    x = 238,314,532.19

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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.