Home / 121,824,011.20-182,736,016.80-103,684,158.40

Finding the Fourth Proportional to 121,824,011.20, 182,736,016.80 and 103,684,158.40

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Solution

The fourth proportional to 121,824,011.20, 182,736,016.80 and 103,684,158.40 is: 155,526,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,824,011.20 : 182,736,016.80 = 103,684,158.40 : x
  2. Step 2: Convert to fraction form
    121,824,011.20/182,736,016.80 = 103,684,158.40/x
  3. Step 3: Cross multiply
    121,824,011.20x = 182,736,016.80 × 103,684,158.40
  4. Step 4: Simplify right side
    121,824,011.20x = 18,946,830,111,276,264
  5. Step 5: Solve for x
    x = 18,946,830,111,276,264/121,824,011.20
  6. Step 6: Final answer
    x = 155,526,237.60

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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.