Home / 151,668,379,431.49-209,223,011,422.40-93,778,254,044.07

Finding the Fourth Proportional to 151,668,379,431.49, 209,223,011,422.40 and 93,778,254,044.07

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Solution

The fourth proportional to 151,668,379,431.49, 209,223,011,422.40 and 93,778,254,044.07 is: 129,364,926,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,668,379,431.49 : 209,223,011,422.40 = 93,778,254,044.07 : x
  2. Step 2: Convert to fraction form
    151,668,379,431.49/209,223,011,422.40 = 93,778,254,044.07/x
  3. Step 3: Cross multiply
    151,668,379,431.49x = 209,223,011,422.40 × 93,778,254,044.07
  4. Step 4: Simplify right side
    151,668,379,431.49x = 19,620,568,717,035,189,567,488
  5. Step 5: Solve for x
    x = 19,620,568,717,035,189,567,488/151,668,379,431.49
  6. Step 6: Final answer
    x = 129,364,926,233.01

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1.5x scale

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.