Home / 130,824,682.27-180,545,988.76-72,087,276.31

Finding the Fourth Proportional to 130,824,682.27, 180,545,988.76 and 72,087,276.31

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Solution

The fourth proportional to 130,824,682.27, 180,545,988.76 and 72,087,276.31 is: 99,484,809.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,824,682.27 : 180,545,988.76 = 72,087,276.31 : x
  2. Step 2: Convert to fraction form
    130,824,682.27/180,545,988.76 = 72,087,276.31/x
  3. Step 3: Cross multiply
    130,824,682.27x = 180,545,988.76 × 72,087,276.31
  4. Step 4: Simplify right side
    130,824,682.27x = 13,015,068,577,772,692
  5. Step 5: Solve for x
    x = 13,015,068,577,772,692/130,824,682.27
  6. Step 6: Final answer
    x = 99,484,809.38

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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.