Home / 105,185,685.03-157,778,527.95-28,508,713.35

Finding the Fourth Proportional to 105,185,685.03, 157,778,527.95 and 28,508,713.35

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Solution

The fourth proportional to 105,185,685.03, 157,778,527.95 and 28,508,713.35 is: 42,763,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,185,685.03 : 157,778,527.95 = 28,508,713.35 : x
  2. Step 2: Convert to fraction form
    105,185,685.03/157,778,527.95 = 28,508,713.35/x
  3. Step 3: Cross multiply
    105,185,685.03x = 157,778,527.95 × 28,508,713.35
  4. Step 4: Simplify right side
    105,185,685.03x = 4,498,062,826,111,513
  5. Step 5: Solve for x
    x = 4,498,062,826,111,513/105,185,685.03
  6. Step 6: Final answer
    x = 42,763,070.13

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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.