Home / 145,668,498.52-201,020,150.08-79,587,574.60

Finding the Fourth Proportional to 145,668,498.52, 201,020,150.08 and 79,587,574.60

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Solution

The fourth proportional to 145,668,498.52, 201,020,150.08 and 79,587,574.60 is: 109,829,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,668,498.52 : 201,020,150.08 = 79,587,574.60 : x
  2. Step 2: Convert to fraction form
    145,668,498.52/201,020,150.08 = 79,587,574.60/x
  3. Step 3: Cross multiply
    145,668,498.52x = 201,020,150.08 × 79,587,574.60
  4. Step 4: Simplify right side
    145,668,498.52x = 15,998,706,190,595,196
  5. Step 5: Solve for x
    x = 15,998,706,190,595,196/145,668,498.52
  6. Step 6: Final answer
    x = 109,829,553.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.