Home / 105,984,006.10-158,976,009.15-105,312,159.70

Finding the Fourth Proportional to 105,984,006.10, 158,976,009.15 and 105,312,159.70

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Solution

The fourth proportional to 105,984,006.10, 158,976,009.15 and 105,312,159.70 is: 157,968,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984,006.10 : 158,976,009.15 = 105,312,159.70 : x
  2. Step 2: Convert to fraction form
    105,984,006.10/158,976,009.15 = 105,312,159.70/x
  3. Step 3: Cross multiply
    105,984,006.10x = 158,976,009.15 × 105,312,159.70
  4. Step 4: Simplify right side
    105,984,006.10x = 16,742,106,864,073,462
  5. Step 5: Solve for x
    x = 16,742,106,864,073,462/105,984,006.10
  6. Step 6: Final answer
    x = 157,968,239.55

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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.