Home / 197,732,168.69-296,390,630.86-66,528,897.08

Finding the Fourth Proportional to 197,732,168.69, 296,390,630.86 and 66,528,897.08

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Solution

The fourth proportional to 197,732,168.69, 296,390,630.86 and 66,528,897.08 is: 99,723,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,732,168.69 : 296,390,630.86 = 66,528,897.08 : x
  2. Step 2: Convert to fraction form
    197,732,168.69/296,390,630.86 = 66,528,897.08/x
  3. Step 3: Cross multiply
    197,732,168.69x = 296,390,630.86 × 66,528,897.08
  4. Step 4: Simplify right side
    197,732,168.69x = 19,718,541,774,312,940
  5. Step 5: Solve for x
    x = 19,718,541,774,312,940/197,732,168.69
  6. Step 6: Final answer
    x = 99,723,489.13

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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.