Home / 119,623,963.63-165,111,784.76-77,911,971.46

Finding the Fourth Proportional to 119,623,963.63, 165,111,784.76 and 77,911,971.46

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Solution

The fourth proportional to 119,623,963.63, 165,111,784.76 and 77,911,971.46 is: 107,538,525.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,623,963.63 : 165,111,784.76 = 77,911,971.46 : x
  2. Step 2: Convert to fraction form
    119,623,963.63/165,111,784.76 = 77,911,971.46/x
  3. Step 3: Cross multiply
    119,623,963.63x = 165,111,784.76 × 77,911,971.46
  4. Step 4: Simplify right side
    119,623,963.63x = 12,864,184,662,039,784
  5. Step 5: Solve for x
    x = 12,864,184,662,039,784/119,623,963.63
  6. Step 6: Final answer
    x = 107,538,525.49

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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.