Home / 319,032,005.40-478,541,009.70-88,994,597.40

Finding the Fourth Proportional to 319,032,005.40, 478,541,009.70 and 88,994,597.40

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Solution

The fourth proportional to 319,032,005.40, 478,541,009.70 and 88,994,597.40 is: 133,489,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,032,005.40 : 478,541,009.70 = 88,994,597.40 : x
  2. Step 2: Convert to fraction form
    319,032,005.40/478,541,009.70 = 88,994,597.40/x
  3. Step 3: Cross multiply
    319,032,005.40x = 478,541,009.70 × 88,994,597.40
  4. Step 4: Simplify right side
    319,032,005.40x = 42,587,564,497,641,000
  5. Step 5: Solve for x
    x = 42,587,564,497,641,000/319,032,005.40
  6. Step 6: Final answer
    x = 133,489,943.88

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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.