Home / 85,113,608.40-127,670,412.60-59,135,547.60

Finding the Fourth Proportional to 85,113,608.40, 127,670,412.60 and 59,135,547.60

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Solution

The fourth proportional to 85,113,608.40, 127,670,412.60 and 59,135,547.60 is: 88,703,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,113,608.40 : 127,670,412.60 = 59,135,547.60 : x
  2. Step 2: Convert to fraction form
    85,113,608.40/127,670,412.60 = 59,135,547.60/x
  3. Step 3: Cross multiply
    85,113,608.40x = 127,670,412.60 × 59,135,547.60
  4. Step 4: Simplify right side
    85,113,608.40x = 7,549,859,761,418,940
  5. Step 5: Solve for x
    x = 7,549,859,761,418,940/85,113,608.40
  6. Step 6: Final answer
    x = 88,703,321.40

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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.