Home / 103,127,481,717.93-142,315,931,613.33-57,400,775,810.87

Finding the Fourth Proportional to 103,127,481,717.93, 142,315,931,613.33 and 57,400,775,810.87

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Solution

The fourth proportional to 103,127,481,717.93, 142,315,931,613.33 and 57,400,775,810.87 is: 79,213,074,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,127,481,717.93 : 142,315,931,613.33 = 57,400,775,810.87 : x
  2. Step 2: Convert to fraction form
    103,127,481,717.93/142,315,931,613.33 = 57,400,775,810.87/x
  3. Step 3: Cross multiply
    103,127,481,717.93x = 142,315,931,613.33 × 57,400,775,810.87
  4. Step 4: Simplify right side
    103,127,481,717.93x = 8,169,044,884,851,149,242,368
  5. Step 5: Solve for x
    x = 8,169,044,884,851,149,242,368/103,127,481,717.93
  6. Step 6: Final answer
    x = 79,213,074,427.58

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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.