Home / 99,657,968.40-149,486,952.60-54,308,336.40

Finding the Fourth Proportional to 99,657,968.40, 149,486,952.60 and 54,308,336.40

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Solution

The fourth proportional to 99,657,968.40, 149,486,952.60 and 54,308,336.40 is: 81,462,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,657,968.40 : 149,486,952.60 = 54,308,336.40 : x
  2. Step 2: Convert to fraction form
    99,657,968.40/149,486,952.60 = 54,308,336.40/x
  3. Step 3: Cross multiply
    99,657,968.40x = 149,486,952.60 × 54,308,336.40
  4. Step 4: Simplify right side
    99,657,968.40x = 8,118,387,709,211,654
  5. Step 5: Solve for x
    x = 8,118,387,709,211,654/99,657,968.40
  6. Step 6: Final answer
    x = 81,462,504.60

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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.