Home / 138,657,818.32-191,547,100.80-110,743,879.76

Finding the Fourth Proportional to 138,657,818.32, 191,547,100.80 and 110,743,879.76

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Solution

The fourth proportional to 138,657,818.32, 191,547,100.80 and 110,743,879.76 is: 152,985,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,657,818.32 : 191,547,100.80 = 110,743,879.76 : x
  2. Step 2: Convert to fraction form
    138,657,818.32/191,547,100.80 = 110,743,879.76/x
  3. Step 3: Cross multiply
    138,657,818.32x = 191,547,100.80 × 110,743,879.76
  4. Step 4: Simplify right side
    138,657,818.32x = 21,212,669,099,371,804
  5. Step 5: Solve for x
    x = 21,212,669,099,371,804/138,657,818.32
  6. Step 6: Final answer
    x = 152,985,741.13

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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.