Home / 98,931,212.90-148,325,074.82-66,502,683.08

Finding the Fourth Proportional to 98,931,212.90, 148,325,074.82 and 66,502,683.08

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Solution

The fourth proportional to 98,931,212.90, 148,325,074.82 and 66,502,683.08 is: 99,705,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,931,212.90 : 148,325,074.82 = 66,502,683.08 : x
  2. Step 2: Convert to fraction form
    98,931,212.90/148,325,074.82 = 66,502,683.08/x
  3. Step 3: Cross multiply
    98,931,212.90x = 148,325,074.82 × 66,502,683.08
  4. Step 4: Simplify right side
    98,931,212.90x = 9,864,015,443,571,748
  5. Step 5: Solve for x
    x = 9,864,015,443,571,748/98,931,212.90
  6. Step 6: Final answer
    x = 99,705,797.13

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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.