Home / 256,225,415.40-384,338,123.10-118,050,755.40

Finding the Fourth Proportional to 256,225,415.40, 384,338,123.10 and 118,050,755.40

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Solution

The fourth proportional to 256,225,415.40, 384,338,123.10 and 118,050,755.40 is: 177,076,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,225,415.40 : 384,338,123.10 = 118,050,755.40 : x
  2. Step 2: Convert to fraction form
    256,225,415.40/384,338,123.10 = 118,050,755.40/x
  3. Step 3: Cross multiply
    256,225,415.40x = 384,338,123.10 × 118,050,755.40
  4. Step 4: Simplify right side
    256,225,415.40x = 45,371,405,760,973,192
  5. Step 5: Solve for x
    x = 45,371,405,760,973,192/256,225,415.40
  6. Step 6: Final answer
    x = 177,076,133.10

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1.5x scale

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.