Home / 262,116,463.60-393,426,637.80-132,870,012.40

Finding the Fourth Proportional to 262,116,463.60, 393,426,637.80 and 132,870,012.40

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Solution

The fourth proportional to 262,116,463.60, 393,426,637.80 and 132,870,012.40 is: 199,432,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,116,463.60 : 393,426,637.80 = 132,870,012.40 : x
  2. Step 2: Convert to fraction form
    262,116,463.60/393,426,637.80 = 132,870,012.40/x
  3. Step 3: Cross multiply
    262,116,463.60x = 393,426,637.80 × 132,870,012.40
  4. Step 4: Simplify right side
    262,116,463.60x = 52,274,602,242,976,312
  5. Step 5: Solve for x
    x = 52,274,602,242,976,312/262,116,463.60
  6. Step 6: Final answer
    x = 199,432,731.26

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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.