Home / 79,038,641.70-109,084,734.63-45,541,705.32

Finding the Fourth Proportional to 79,038,641.70, 109,084,734.63 and 45,541,705.32

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Solution

The fourth proportional to 79,038,641.70, 109,084,734.63 and 45,541,705.32 is: 62,854,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,038,641.70 : 109,084,734.63 = 45,541,705.32 : x
  2. Step 2: Convert to fraction form
    79,038,641.70/109,084,734.63 = 45,541,705.32/x
  3. Step 3: Cross multiply
    79,038,641.70x = 109,084,734.63 × 45,541,705.32
  4. Step 4: Simplify right side
    79,038,641.70x = 4,967,904,839,429,859
  5. Step 5: Solve for x
    x = 4,967,904,839,429,859/79,038,641.70
  6. Step 6: Final answer
    x = 62,854,127.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.