Home / 210,076,032.60-315,114,048.90-133,737,485.40

Finding the Fourth Proportional to 210,076,032.60, 315,114,048.90 and 133,737,485.40

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Solution

The fourth proportional to 210,076,032.60, 315,114,048.90 and 133,737,485.40 is: 200,606,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,076,032.60 : 315,114,048.90 = 133,737,485.40 : x
  2. Step 2: Convert to fraction form
    210,076,032.60/315,114,048.90 = 133,737,485.40/x
  3. Step 3: Cross multiply
    210,076,032.60x = 315,114,048.90 × 133,737,485.40
  4. Step 4: Simplify right side
    210,076,032.60x = 42,142,560,514,098,632
  5. Step 5: Solve for x
    x = 42,142,560,514,098,632/210,076,032.60
  6. Step 6: Final answer
    x = 200,606,228.10

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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.