Home / 100,711,307,315.85-139,044,326,554.44-64,110,074,421.48

Finding the Fourth Proportional to 100,711,307,315.85, 139,044,326,554.44 and 64,110,074,421.48

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Solution

The fourth proportional to 100,711,307,315.85, 139,044,326,554.44 and 64,110,074,421.48 is: 88,511,830,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,711,307,315.85 : 139,044,326,554.44 = 64,110,074,421.48 : x
  2. Step 2: Convert to fraction form
    100,711,307,315.85/139,044,326,554.44 = 64,110,074,421.48/x
  3. Step 3: Cross multiply
    100,711,307,315.85x = 139,044,326,554.44 × 64,110,074,421.48
  4. Step 4: Simplify right side
    100,711,307,315.85x = 8,914,142,123,289,717,243,904
  5. Step 5: Solve for x
    x = 8,914,142,123,289,717,243,904/100,711,307,315.85
  6. Step 6: Final answer
    x = 88,511,830,109.93

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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.