Home / 210,029,533.80-315,044,300.70-181,717,981.80

Finding the Fourth Proportional to 210,029,533.80, 315,044,300.70 and 181,717,981.80

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Solution

The fourth proportional to 210,029,533.80, 315,044,300.70 and 181,717,981.80 is: 272,576,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,029,533.80 : 315,044,300.70 = 181,717,981.80 : x
  2. Step 2: Convert to fraction form
    210,029,533.80/315,044,300.70 = 181,717,981.80/x
  3. Step 3: Cross multiply
    210,029,533.80x = 315,044,300.70 × 181,717,981.80
  4. Step 4: Simplify right side
    210,029,533.80x = 57,249,214,500,796,328
  5. Step 5: Solve for x
    x = 57,249,214,500,796,328/210,029,533.80
  6. Step 6: Final answer
    x = 272,576,972.70

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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.