Home / 181,860,986.16-272,963,941.60-112,564,172.88

Finding the Fourth Proportional to 181,860,986.16, 272,963,941.60 and 112,564,172.88

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Solution

The fourth proportional to 181,860,986.16, 272,963,941.60 and 112,564,172.88 is: 168,953,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,860,986.16 : 272,963,941.60 = 112,564,172.88 : x
  2. Step 2: Convert to fraction form
    181,860,986.16/272,963,941.60 = 112,564,172.88/x
  3. Step 3: Cross multiply
    181,860,986.16x = 272,963,941.60 × 112,564,172.88
  4. Step 4: Simplify right side
    181,860,986.16x = 30,725,960,312,268,624
  5. Step 5: Solve for x
    x = 30,725,960,312,268,624/181,860,986.16
  6. Step 6: Final answer
    x = 168,953,006.15

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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.