Home / 97,118,840.40-145,678,260.60-92,639,864.40

Finding the Fourth Proportional to 97,118,840.40, 145,678,260.60 and 92,639,864.40

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Solution

The fourth proportional to 97,118,840.40, 145,678,260.60 and 92,639,864.40 is: 138,959,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,118,840.40 : 145,678,260.60 = 92,639,864.40 : x
  2. Step 2: Convert to fraction form
    97,118,840.40/145,678,260.60 = 92,639,864.40/x
  3. Step 3: Cross multiply
    97,118,840.40x = 145,678,260.60 × 92,639,864.40
  4. Step 4: Simplify right side
    97,118,840.40x = 13,495,614,308,011,862
  5. Step 5: Solve for x
    x = 13,495,614,308,011,862/97,118,840.40
  6. Step 6: Final answer
    x = 138,959,796.60

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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.