Home / 210,029,071.80-315,043,607.70-181,717,519.80

Finding the Fourth Proportional to 210,029,071.80, 315,043,607.70 and 181,717,519.80

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Solution

The fourth proportional to 210,029,071.80, 315,043,607.70 and 181,717,519.80 is: 272,576,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,029,071.80 : 315,043,607.70 = 181,717,519.80 : x
  2. Step 2: Convert to fraction form
    210,029,071.80/315,043,607.70 = 181,717,519.80/x
  3. Step 3: Cross multiply
    210,029,071.80x = 315,043,607.70 × 181,717,519.80
  4. Step 4: Simplify right side
    210,029,071.80x = 57,248,943,020,088,184
  5. Step 5: Solve for x
    x = 57,248,943,020,088,184/210,029,071.80
  6. Step 6: Final answer
    x = 272,576,279.70

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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.