Home / 278,029,364-417,111,471.48-83,929,192.16

Finding the Fourth Proportional to 278,029,364, 417,111,471.48 and 83,929,192.16

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Solution

The fourth proportional to 278,029,364, 417,111,471.48 and 83,929,192.16 is: 125,914,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,029,364 : 417,111,471.48 = 83,929,192.16 : x
  2. Step 2: Convert to fraction form
    278,029,364/417,111,471.48 = 83,929,192.16/x
  3. Step 3: Cross multiply
    278,029,364x = 417,111,471.48 × 83,929,192.16
  4. Step 4: Simplify right side
    278,029,364x = 35,007,828,841,985,280
  5. Step 5: Solve for x
    x = 35,007,828,841,985,280/278,029,364
  6. Step 6: Final answer
    x = 125,914,142.08

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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.