Home / 65,091,991.90-97,637,987.85-30,909,706.78

Finding the Fourth Proportional to 65,091,991.90, 97,637,987.85 and 30,909,706.78

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Solution

The fourth proportional to 65,091,991.90, 97,637,987.85 and 30,909,706.78 is: 46,364,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,091,991.90 : 97,637,987.85 = 30,909,706.78 : x
  2. Step 2: Convert to fraction form
    65,091,991.90/97,637,987.85 = 30,909,706.78/x
  3. Step 3: Cross multiply
    65,091,991.90x = 97,637,987.85 × 30,909,706.78
  4. Step 4: Simplify right side
    65,091,991.90x = 3,017,961,575,032,702.50
  5. Step 5: Solve for x
    x = 3,017,961,575,032,702.50/65,091,991.90
  6. Step 6: Final answer
    x = 46,364,560.17

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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.