Home / 81,727,023.66-112,784,075.55-45,058,909.74

Finding the Fourth Proportional to 81,727,023.66, 112,784,075.55 and 45,058,909.74

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Solution

The fourth proportional to 81,727,023.66, 112,784,075.55 and 45,058,909.74 is: 62,181,727.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,727,023.66 : 112,784,075.55 = 45,058,909.74 : x
  2. Step 2: Convert to fraction form
    81,727,023.66/112,784,075.55 = 45,058,909.74/x
  3. Step 3: Cross multiply
    81,727,023.66x = 112,784,075.55 × 45,058,909.74
  4. Step 4: Simplify right side
    81,727,023.66x = 5,081,927,480,316,791
  5. Step 5: Solve for x
    x = 5,081,927,480,316,791/81,727,023.66
  6. Step 6: Final answer
    x = 62,181,727.08

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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.