Home / 280,084,271.73-386,516,829.86-154,636,710.36

Finding the Fourth Proportional to 280,084,271.73, 386,516,829.86 and 154,636,710.36

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Solution

The fourth proportional to 280,084,271.73, 386,516,829.86 and 154,636,710.36 is: 213,398,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,084,271.73 : 386,516,829.86 = 154,636,710.36 : x
  2. Step 2: Convert to fraction form
    280,084,271.73/386,516,829.86 = 154,636,710.36/x
  3. Step 3: Cross multiply
    280,084,271.73x = 386,516,829.86 × 154,636,710.36
  4. Step 4: Simplify right side
    280,084,271.73x = 59,769,691,068,326,224
  5. Step 5: Solve for x
    x = 59,769,691,068,326,224/280,084,271.73
  6. Step 6: Final answer
    x = 213,398,955.60

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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.