Home / 68,170,114.90-94,077,079.80-40,316,701.60

Finding the Fourth Proportional to 68,170,114.90, 94,077,079.80 and 40,316,701.60

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Solution

The fourth proportional to 68,170,114.90, 94,077,079.80 and 40,316,701.60 is: 55,638,421.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170,114.90 : 94,077,079.80 = 40,316,701.60 : x
  2. Step 2: Convert to fraction form
    68,170,114.90/94,077,079.80 = 40,316,701.60/x
  3. Step 3: Cross multiply
    68,170,114.90x = 94,077,079.80 × 40,316,701.60
  4. Step 4: Simplify right side
    68,170,114.90x = 3,792,877,553,695,987.50
  5. Step 5: Solve for x
    x = 3,792,877,553,695,987.50/68,170,114.90
  6. Step 6: Final answer
    x = 55,638,421.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.