Home / 112,087,029.18-154,676,590.83-65,708,172.30

Finding the Fourth Proportional to 112,087,029.18, 154,676,590.83 and 65,708,172.30

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Solution

The fourth proportional to 112,087,029.18, 154,676,590.83 and 65,708,172.30 is: 90,675,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,087,029.18 : 154,676,590.83 = 65,708,172.30 : x
  2. Step 2: Convert to fraction form
    112,087,029.18/154,676,590.83 = 65,708,172.30/x
  3. Step 3: Cross multiply
    112,087,029.18x = 154,676,590.83 × 65,708,172.30
  4. Step 4: Simplify right side
    112,087,029.18x = 10,163,516,081,034,240
  5. Step 5: Solve for x
    x = 10,163,516,081,034,240/112,087,029.18
  6. Step 6: Final answer
    x = 90,675,220.45

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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.