Home / 74,824,920.60-112,274,705.70-42,501,643.80

Finding the Fourth Proportional to 74,824,920.60, 112,274,705.70 and 42,501,643.80

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Solution

The fourth proportional to 74,824,920.60, 112,274,705.70 and 42,501,643.80 is: 63,773,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,824,920.60 : 112,274,705.70 = 42,501,643.80 : x
  2. Step 2: Convert to fraction form
    74,824,920.60/112,274,705.70 = 42,501,643.80/x
  3. Step 3: Cross multiply
    74,824,920.60x = 112,274,705.70 × 42,501,643.80
  4. Step 4: Simplify right side
    74,824,920.60x = 4,771,859,549,411,229
  5. Step 5: Solve for x
    x = 4,771,859,549,411,229/74,824,920.60
  6. Step 6: Final answer
    x = 63,773,666.73

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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.