Home / 56,771,581.95-78,344,771.06-30,666,100.46

Finding the Fourth Proportional to 56,771,581.95, 78,344,771.06 and 30,666,100.46

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Solution

The fourth proportional to 56,771,581.95, 78,344,771.06 and 30,666,100.46 is: 42,319,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771,581.95 : 78,344,771.06 = 30,666,100.46 : x
  2. Step 2: Convert to fraction form
    56,771,581.95/78,344,771.06 = 30,666,100.46/x
  3. Step 3: Cross multiply
    56,771,581.95x = 78,344,771.06 × 30,666,100.46
  4. Step 4: Simplify right side
    56,771,581.95x = 2,402,528,619,296,606.50
  5. Step 5: Solve for x
    x = 2,402,528,619,296,606.50/56,771,581.95
  6. Step 6: Final answer
    x = 42,319,212.13

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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.