Home / 118,723,966.80-178,085,950.20-98,316,632.40

Finding the Fourth Proportional to 118,723,966.80, 178,085,950.20 and 98,316,632.40

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Solution

The fourth proportional to 118,723,966.80, 178,085,950.20 and 98,316,632.40 is: 147,474,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,723,966.80 : 178,085,950.20 = 98,316,632.40 : x
  2. Step 2: Convert to fraction form
    118,723,966.80/178,085,950.20 = 98,316,632.40/x
  3. Step 3: Cross multiply
    118,723,966.80x = 178,085,950.20 × 98,316,632.40
  4. Step 4: Simplify right side
    118,723,966.80x = 17,508,810,901,418,106
  5. Step 5: Solve for x
    x = 17,508,810,901,418,106/118,723,966.80
  6. Step 6: Final answer
    x = 147,474,948.60

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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.