Home / 86,023,365.95-118,681,104.98-56,270,996.96

Finding the Fourth Proportional to 86,023,365.95, 118,681,104.98 and 56,270,996.96

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Solution

The fourth proportional to 86,023,365.95, 118,681,104.98 and 56,270,996.96 is: 77,633,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,023,365.95 : 118,681,104.98 = 56,270,996.96 : x
  2. Step 2: Convert to fraction form
    86,023,365.95/118,681,104.98 = 56,270,996.96/x
  3. Step 3: Cross multiply
    86,023,365.95x = 118,681,104.98 × 56,270,996.96
  4. Step 4: Simplify right side
    86,023,365.95x = 6,678,304,096,664,260
  5. Step 5: Solve for x
    x = 6,678,304,096,664,260/86,023,365.95
  6. Step 6: Final answer
    x = 77,633,605.97

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1.5x scale

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.