Home / 81,886,463,999.40-122,829,695,999.10-37,806,621,695.40

Finding the Fourth Proportional to 81,886,463,999.40, 122,829,695,999.10 and 37,806,621,695.40

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Solution

The fourth proportional to 81,886,463,999.40, 122,829,695,999.10 and 37,806,621,695.40 is: 56,709,932,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,886,463,999.40 : 122,829,695,999.10 = 37,806,621,695.40 : x
  2. Step 2: Convert to fraction form
    81,886,463,999.40/122,829,695,999.10 = 37,806,621,695.40/x
  3. Step 3: Cross multiply
    81,886,463,999.40x = 122,829,695,999.10 × 37,806,621,695.40
  4. Step 4: Simplify right side
    81,886,463,999.40x = 4,643,775,849,598,961,057,792
  5. Step 5: Solve for x
    x = 4,643,775,849,598,961,057,792/81,886,463,999.40
  6. Step 6: Final answer
    x = 56,709,932,543.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.