Home / 68,170,070.28-94,077,018.42-40,316,656.98

Finding the Fourth Proportional to 68,170,070.28, 94,077,018.42 and 40,316,656.98

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Solution

The fourth proportional to 68,170,070.28, 94,077,018.42 and 40,316,656.98 is: 55,638,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170,070.28 : 94,077,018.42 = 40,316,656.98 : x
  2. Step 2: Convert to fraction form
    68,170,070.28/94,077,018.42 = 40,316,656.98/x
  3. Step 3: Cross multiply
    68,170,070.28x = 94,077,018.42 × 40,316,656.98
  4. Step 4: Simplify right side
    68,170,070.28x = 3,792,870,881,340,281.50
  5. Step 5: Solve for x
    x = 3,792,870,881,340,281.50/68,170,070.28
  6. Step 6: Final answer
    x = 55,638,359.56

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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.