Home / 118,726,538.40-178,121,300.40-42,041,570.40

Finding the Fourth Proportional to 118,726,538.40, 178,121,300.40 and 42,041,570.40

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Solution

The fourth proportional to 118,726,538.40, 178,121,300.40 and 42,041,570.40 is: 63,073,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,726,538.40 : 178,121,300.40 = 42,041,570.40 : x
  2. Step 2: Convert to fraction form
    118,726,538.40/178,121,300.40 = 42,041,570.40/x
  3. Step 3: Cross multiply
    118,726,538.40x = 178,121,300.40 × 42,041,570.40
  4. Step 4: Simplify right side
    118,726,538.40x = 7,488,499,190,506,148
  5. Step 5: Solve for x
    x = 7,488,499,190,506,148/118,726,538.40
  6. Step 6: Final answer
    x = 63,073,507.33

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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.