Home / 86,824,411.80-130,124,643.30-66,529,051.80

Finding the Fourth Proportional to 86,824,411.80, 130,124,643.30 and 66,529,051.80

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Solution

The fourth proportional to 86,824,411.80, 130,124,643.30 and 66,529,051.80 is: 99,707,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,824,411.80 : 130,124,643.30 = 66,529,051.80 : x
  2. Step 2: Convert to fraction form
    86,824,411.80/130,124,643.30 = 66,529,051.80/x
  3. Step 3: Cross multiply
    86,824,411.80x = 130,124,643.30 × 66,529,051.80
  4. Step 4: Simplify right side
    86,824,411.80x = 8,657,069,134,562,222
  5. Step 5: Solve for x
    x = 8,657,069,134,562,222/86,824,411.80
  6. Step 6: Final answer
    x = 99,707,777.51

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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.