Home / 86,970,406.98-120,021,645.67-53,024,925.15

Finding the Fourth Proportional to 86,970,406.98, 120,021,645.67 and 53,024,925.15

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Solution

The fourth proportional to 86,970,406.98, 120,021,645.67 and 53,024,925.15 is: 73,175,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,970,406.98 : 120,021,645.67 = 53,024,925.15 : x
  2. Step 2: Convert to fraction form
    86,970,406.98/120,021,645.67 = 53,024,925.15/x
  3. Step 3: Cross multiply
    86,970,406.98x = 120,021,645.67 × 53,024,925.15
  4. Step 4: Simplify right side
    86,970,406.98x = 6,364,138,778,187,159
  5. Step 5: Solve for x
    x = 6,364,138,778,187,159/86,970,406.98
  6. Step 6: Final answer
    x = 73,175,911.20

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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.