Home / 49,685,070.80-74,527,699.60-20,506,904.70

Finding the Fourth Proportional to 49,685,070.80, 74,527,699.60 and 20,506,904.70

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Solution

The fourth proportional to 49,685,070.80, 74,527,699.60 and 20,506,904.70 is: 30,760,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,685,070.80 : 74,527,699.60 = 20,506,904.70 : x
  2. Step 2: Convert to fraction form
    49,685,070.80/74,527,699.60 = 20,506,904.70/x
  3. Step 3: Cross multiply
    49,685,070.80x = 74,527,699.60 × 20,506,904.70
  4. Step 4: Simplify right side
    49,685,070.80x = 1,528,332,433,207,428
  5. Step 5: Solve for x
    x = 1,528,332,433,207,428/49,685,070.80
  6. Step 6: Final answer
    x = 30,760,395.60

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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.