Home / 117,099,620.63-161,670,929.40-75,356,212.01

Finding the Fourth Proportional to 117,099,620.63, 161,670,929.40 and 75,356,212.01

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Solution

The fourth proportional to 117,099,620.63, 161,670,929.40 and 75,356,212.01 is: 104,038,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,099,620.63 : 161,670,929.40 = 75,356,212.01 : x
  2. Step 2: Convert to fraction form
    117,099,620.63/161,670,929.40 = 75,356,212.01/x
  3. Step 3: Cross multiply
    117,099,620.63x = 161,670,929.40 × 75,356,212.01
  4. Step 4: Simplify right side
    117,099,620.63x = 12,182,908,830,911,788
  5. Step 5: Solve for x
    x = 12,182,908,830,911,788/117,099,620.63
  6. Step 6: Final answer
    x = 104,038,841.16

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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.