Home / 82,613,714.40-123,915,322.80-28,026,194.40

Finding the Fourth Proportional to 82,613,714.40, 123,915,322.80 and 28,026,194.40

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Solution

The fourth proportional to 82,613,714.40, 123,915,322.80 and 28,026,194.40 is: 42,037,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,613,714.40 : 123,915,322.80 = 28,026,194.40 : x
  2. Step 2: Convert to fraction form
    82,613,714.40/123,915,322.80 = 28,026,194.40/x
  3. Step 3: Cross multiply
    82,613,714.40x = 123,915,322.80 × 28,026,194.40
  4. Step 4: Simplify right side
    82,613,714.40x = 3,472,874,925,931,552
  5. Step 5: Solve for x
    x = 3,472,874,925,931,552/82,613,714.40
  6. Step 6: Final answer
    x = 42,037,510.98

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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.