Home / 112,004,374.19-168,003,360.09-61,208,068.91

Finding the Fourth Proportional to 112,004,374.19, 168,003,360.09 and 61,208,068.91

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Solution

The fourth proportional to 112,004,374.19, 168,003,360.09 and 61,208,068.91 is: 91,810,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,004,374.19 : 168,003,360.09 = 61,208,068.91 : x
  2. Step 2: Convert to fraction form
    112,004,374.19/168,003,360.09 = 61,208,068.91/x
  3. Step 3: Cross multiply
    112,004,374.19x = 168,003,360.09 × 61,208,068.91
  4. Step 4: Simplify right side
    112,004,374.19x = 10,283,161,240,660,248
  5. Step 5: Solve for x
    x = 10,283,161,240,660,248/112,004,374.19
  6. Step 6: Final answer
    x = 91,810,353.97

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1.5x scale

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.