Home / 156,080,488-234,071,109.60-145,890,967.36

Finding the Fourth Proportional to 156,080,488, 234,071,109.60 and 145,890,967.36

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Solution

The fourth proportional to 156,080,488, 234,071,109.60 and 145,890,967.36 is: 218,790,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,080,488 : 234,071,109.60 = 145,890,967.36 : x
  2. Step 2: Convert to fraction form
    156,080,488/234,071,109.60 = 145,890,967.36/x
  3. Step 3: Cross multiply
    156,080,488x = 234,071,109.60 × 145,890,967.36
  4. Step 4: Simplify right side
    156,080,488x = 34,148,860,610,572,584
  5. Step 5: Solve for x
    x = 34,148,860,610,572,584/156,080,488
  6. Step 6: Final answer
    x = 218,790,068.18

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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.