Home / 105,984,007.10-158,976,010.65-105,312,160.70

Finding the Fourth Proportional to 105,984,007.10, 158,976,010.65 and 105,312,160.70

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Solution

The fourth proportional to 105,984,007.10, 158,976,010.65 and 105,312,160.70 is: 157,968,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984,007.10 : 158,976,010.65 = 105,312,160.70 : x
  2. Step 2: Convert to fraction form
    105,984,007.10/158,976,010.65 = 105,312,160.70/x
  3. Step 3: Cross multiply
    105,984,007.10x = 158,976,010.65 × 105,312,160.70
  4. Step 4: Simplify right side
    105,984,007.10x = 16,742,107,181,017,712
  5. Step 5: Solve for x
    x = 16,742,107,181,017,712/105,984,007.10
  6. Step 6: Final answer
    x = 157,968,241.05

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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.