Home / 98,931,208.90-148,325,068.82-66,502,679.08

Finding the Fourth Proportional to 98,931,208.90, 148,325,068.82 and 66,502,679.08

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Solution

The fourth proportional to 98,931,208.90, 148,325,068.82 and 66,502,679.08 is: 99,705,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,931,208.90 : 148,325,068.82 = 66,502,679.08 : x
  2. Step 2: Convert to fraction form
    98,931,208.90/148,325,068.82 = 66,502,679.08/x
  3. Step 3: Cross multiply
    98,931,208.90x = 148,325,068.82 × 66,502,679.08
  4. Step 4: Simplify right side
    98,931,208.90x = 9,864,014,451,255,374
  5. Step 5: Solve for x
    x = 9,864,014,451,255,374/98,931,208.90
  6. Step 6: Final answer
    x = 99,705,791.13

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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.