Home / 256,226,681.40-384,340,022.10-118,052,021.40

Finding the Fourth Proportional to 256,226,681.40, 384,340,022.10 and 118,052,021.40

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Solution

The fourth proportional to 256,226,681.40, 384,340,022.10 and 118,052,021.40 is: 177,078,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,226,681.40 : 384,340,022.10 = 118,052,021.40 : x
  2. Step 2: Convert to fraction form
    256,226,681.40/384,340,022.10 = 118,052,021.40/x
  3. Step 3: Cross multiply
    256,226,681.40x = 384,340,022.10 × 118,052,021.40
  4. Step 4: Simplify right side
    256,226,681.40x = 45,372,116,513,825,680
  5. Step 5: Solve for x
    x = 45,372,116,513,825,680/256,226,681.40
  6. Step 6: Final answer
    x = 177,078,032.10

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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.