Home / 86,169,699.60-129,254,549.40-58,959,920.40

Finding the Fourth Proportional to 86,169,699.60, 129,254,549.40 and 58,959,920.40

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Solution

The fourth proportional to 86,169,699.60, 129,254,549.40 and 58,959,920.40 is: 88,439,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,169,699.60 : 129,254,549.40 = 58,959,920.40 : x
  2. Step 2: Convert to fraction form
    86,169,699.60/129,254,549.40 = 58,959,920.40/x
  3. Step 3: Cross multiply
    86,169,699.60x = 129,254,549.40 × 58,959,920.40
  4. Step 4: Simplify right side
    86,169,699.60x = 7,620,837,943,961,868
  5. Step 5: Solve for x
    x = 7,620,837,943,961,868/86,169,699.60
  6. Step 6: Final answer
    x = 88,439,880.60

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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.