Home / 81,824,920.64-112,921,031.76-46,541,818.40

Finding the Fourth Proportional to 81,824,920.64, 112,921,031.76 and 46,541,818.40

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Solution

The fourth proportional to 81,824,920.64, 112,921,031.76 and 46,541,818.40 is: 64,229,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,824,920.64 : 112,921,031.76 = 46,541,818.40 : x
  2. Step 2: Convert to fraction form
    81,824,920.64/112,921,031.76 = 46,541,818.40/x
  3. Step 3: Cross multiply
    81,824,920.64x = 112,921,031.76 × 46,541,818.40
  4. Step 4: Simplify right side
    81,824,920.64x = 5,255,550,153,714,552
  5. Step 5: Solve for x
    x = 5,255,550,153,714,552/81,824,920.64
  6. Step 6: Final answer
    x = 64,229,211.74

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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.