Home / 151,351,192.32-208,864,637.40-81,736,566.49

Finding the Fourth Proportional to 151,351,192.32, 208,864,637.40 and 81,736,566.49

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Solution

The fourth proportional to 151,351,192.32, 208,864,637.40 and 81,736,566.49 is: 112,796,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,351,192.32 : 208,864,637.40 = 81,736,566.49 : x
  2. Step 2: Convert to fraction form
    151,351,192.32/208,864,637.40 = 81,736,566.49/x
  3. Step 3: Cross multiply
    151,351,192.32x = 208,864,637.40 × 81,736,566.49
  4. Step 4: Simplify right side
    151,351,192.32x = 17,071,878,322,254,840
  5. Step 5: Solve for x
    x = 17,071,878,322,254,840/151,351,192.32
  6. Step 6: Final answer
    x = 112,796,457.43

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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.