Home / 122,526,866.80-183,566,351.40-99,684,089.20

Finding the Fourth Proportional to 122,526,866.80, 183,566,351.40 and 99,684,089.20

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Solution

The fourth proportional to 122,526,866.80, 183,566,351.40 and 99,684,089.20 is: 149,343,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,526,866.80 : 183,566,351.40 = 99,684,089.20 : x
  2. Step 2: Convert to fraction form
    122,526,866.80/183,566,351.40 = 99,684,089.20/x
  3. Step 3: Cross multiply
    122,526,866.80x = 183,566,351.40 × 99,684,089.20
  4. Step 4: Simplify right side
    122,526,866.80x = 18,298,644,547,076,148
  5. Step 5: Solve for x
    x = 18,298,644,547,076,148/122,526,866.80
  6. Step 6: Final answer
    x = 149,343,935.95

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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.