Home / 168,458,681.80-252,688,022.70-114,039,123.40

Finding the Fourth Proportional to 168,458,681.80, 252,688,022.70 and 114,039,123.40

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Solution

The fourth proportional to 168,458,681.80, 252,688,022.70 and 114,039,123.40 is: 171,058,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,458,681.80 : 252,688,022.70 = 114,039,123.40 : x
  2. Step 2: Convert to fraction form
    168,458,681.80/252,688,022.70 = 114,039,123.40/x
  3. Step 3: Cross multiply
    168,458,681.80x = 252,688,022.70 × 114,039,123.40
  4. Step 4: Simplify right side
    168,458,681.80x = 28,816,320,602,387,300
  5. Step 5: Solve for x
    x = 28,816,320,602,387,300/168,458,681.80
  6. Step 6: Final answer
    x = 171,058,685.10

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1.5x scale

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.