Home / 101,363,779,813.90-139,882,154,663.56-55,014,207,770.50

Finding the Fourth Proportional to 101,363,779,813.90, 139,882,154,663.56 and 55,014,207,770.50

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Solution

The fourth proportional to 101,363,779,813.90, 139,882,154,663.56 and 55,014,207,770.50 is: 75,919,681,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,363,779,813.90 : 139,882,154,663.56 = 55,014,207,770.50 : x
  2. Step 2: Convert to fraction form
    101,363,779,813.90/139,882,154,663.56 = 55,014,207,770.50/x
  3. Step 3: Cross multiply
    101,363,779,813.90x = 139,882,154,663.56 × 55,014,207,770.50
  4. Step 4: Simplify right side
    101,363,779,813.90x = 7,695,505,920,046,305,116,160
  5. Step 5: Solve for x
    x = 7,695,505,920,046,305,116,160/101,363,779,813.90
  6. Step 6: Final answer
    x = 75,919,681,903.88

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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.