Home / 74,884,810.40-112,327,215.60-61,279,920.80

Finding the Fourth Proportional to 74,884,810.40, 112,327,215.60 and 61,279,920.80

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Solution

The fourth proportional to 74,884,810.40, 112,327,215.60 and 61,279,920.80 is: 91,919,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884,810.40 : 112,327,215.60 = 61,279,920.80 : x
  2. Step 2: Convert to fraction form
    74,884,810.40/112,327,215.60 = 61,279,920.80/x
  3. Step 3: Cross multiply
    74,884,810.40x = 112,327,215.60 × 61,279,920.80
  4. Step 4: Simplify right side
    74,884,810.40x = 6,883,402,875,652,524
  5. Step 5: Solve for x
    x = 6,883,402,875,652,524/74,884,810.40
  6. Step 6: Final answer
    x = 91,919,881.20

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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.