Home / 117,781,810.08-162,535,729.68-65,570,848.80

Finding the Fourth Proportional to 117,781,810.08, 162,535,729.68 and 65,570,848.80

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Solution

The fourth proportional to 117,781,810.08, 162,535,729.68 and 65,570,848.80 is: 90,486,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,781,810.08 : 162,535,729.68 = 65,570,848.80 : x
  2. Step 2: Convert to fraction form
    117,781,810.08/162,535,729.68 = 65,570,848.80/x
  3. Step 3: Cross multiply
    117,781,810.08x = 162,535,729.68 × 65,570,848.80
  4. Step 4: Simplify right side
    117,781,810.08x = 10,657,605,755,444,952
  5. Step 5: Solve for x
    x = 10,657,605,755,444,952/117,781,810.08
  6. Step 6: Final answer
    x = 90,486,007.54

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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.