Home / 103,059,327.84-142,221,034.08-56,649,088.32

Finding the Fourth Proportional to 103,059,327.84, 142,221,034.08 and 56,649,088.32

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Solution

The fourth proportional to 103,059,327.84, 142,221,034.08 and 56,649,088.32 is: 78,175,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,059,327.84 : 142,221,034.08 = 56,649,088.32 : x
  2. Step 2: Convert to fraction form
    103,059,327.84/142,221,034.08 = 56,649,088.32/x
  3. Step 3: Cross multiply
    103,059,327.84x = 142,221,034.08 × 56,649,088.32
  4. Step 4: Simplify right side
    103,059,327.84x = 8,056,691,920,559,651
  5. Step 5: Solve for x
    x = 8,056,691,920,559,651/103,059,327.84
  6. Step 6: Final answer
    x = 78,175,281.07

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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.