Home / 108,876,587.80-163,314,881.70-89,980,907.80

Finding the Fourth Proportional to 108,876,587.80, 163,314,881.70 and 89,980,907.80

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Solution

The fourth proportional to 108,876,587.80, 163,314,881.70 and 89,980,907.80 is: 134,971,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876,587.80 : 163,314,881.70 = 89,980,907.80 : x
  2. Step 2: Convert to fraction form
    108,876,587.80/163,314,881.70 = 89,980,907.80/x
  3. Step 3: Cross multiply
    108,876,587.80x = 163,314,881.70 × 89,980,907.80
  4. Step 4: Simplify right side
    108,876,587.80x = 14,695,221,312,615,606
  5. Step 5: Solve for x
    x = 14,695,221,312,615,606/108,876,587.80
  6. Step 6: Final answer
    x = 134,971,361.70

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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.