Home / 289,344,203.60-434,064,127.80-134,053,206.80

Finding the Fourth Proportional to 289,344,203.60, 434,064,127.80 and 134,053,206.80

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Solution

The fourth proportional to 289,344,203.60, 434,064,127.80 and 134,053,206.80 is: 201,101,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,344,203.60 : 434,064,127.80 = 134,053,206.80 : x
  2. Step 2: Convert to fraction form
    289,344,203.60/434,064,127.80 = 134,053,206.80/x
  3. Step 3: Cross multiply
    289,344,203.60x = 434,064,127.80 × 134,053,206.80
  4. Step 4: Simplify right side
    289,344,203.60x = 58,187,688,288,435,032
  5. Step 5: Solve for x
    x = 58,187,688,288,435,032/289,344,203.60
  6. Step 6: Final answer
    x = 201,101,966.32

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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.