Home / 131,512,883,886.87-181,487,779,775.01-71,365,852,969.62

Finding the Fourth Proportional to 131,512,883,886.87, 181,487,779,775.01 and 71,365,852,969.62

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Solution

The fourth proportional to 131,512,883,886.87, 181,487,779,775.01 and 71,365,852,969.62 is: 98,484,877,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,512,883,886.87 : 181,487,779,775.01 = 71,365,852,969.62 : x
  2. Step 2: Convert to fraction form
    131,512,883,886.87/181,487,779,775.01 = 71,365,852,969.62/x
  3. Step 3: Cross multiply
    131,512,883,886.87x = 181,487,779,775.01 × 71,365,852,969.62
  4. Step 4: Simplify right side
    131,512,883,886.87x = 12,952,030,207,206,137,790,464
  5. Step 5: Solve for x
    x = 12,952,030,207,206,137,790,464/131,512,883,886.87
  6. Step 6: Final answer
    x = 98,484,877,104.12

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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.