Home / 289,725,164.20-434,587,746.30-197,892,159.40

Finding the Fourth Proportional to 289,725,164.20, 434,587,746.30 and 197,892,159.40

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Solution

The fourth proportional to 289,725,164.20, 434,587,746.30 and 197,892,159.40 is: 296,838,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,725,164.20 : 434,587,746.30 = 197,892,159.40 : x
  2. Step 2: Convert to fraction form
    289,725,164.20/434,587,746.30 = 197,892,159.40/x
  3. Step 3: Cross multiply
    289,725,164.20x = 434,587,746.30 × 197,892,159.40
  4. Step 4: Simplify right side
    289,725,164.20x = 86,001,507,564,086,368
  5. Step 5: Solve for x
    x = 86,001,507,564,086,368/289,725,164.20
  6. Step 6: Final answer
    x = 296,838,239.10

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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.