Home / 97,918,646.80-146,914,128.60-40,415,904.40

Finding the Fourth Proportional to 97,918,646.80, 146,914,128.60 and 40,415,904.40

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Solution

The fourth proportional to 97,918,646.80, 146,914,128.60 and 40,415,904.40 is: 60,638,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,918,646.80 : 146,914,128.60 = 40,415,904.40 : x
  2. Step 2: Convert to fraction form
    97,918,646.80/146,914,128.60 = 40,415,904.40/x
  3. Step 3: Cross multiply
    97,918,646.80x = 146,914,128.60 × 40,415,904.40
  4. Step 4: Simplify right side
    97,918,646.80x = 5,937,667,376,506,905
  5. Step 5: Solve for x
    x = 5,937,667,376,506,905/97,918,646.80
  6. Step 6: Final answer
    x = 60,638,780.97

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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.