Home / 91,291,769.55-125,995,561.16-56,495,669.67

Finding the Fourth Proportional to 91,291,769.55, 125,995,561.16 and 56,495,669.67

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Solution

The fourth proportional to 91,291,769.55, 125,995,561.16 and 56,495,669.67 is: 77,972,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,291,769.55 : 125,995,561.16 = 56,495,669.67 : x
  2. Step 2: Convert to fraction form
    91,291,769.55/125,995,561.16 = 56,495,669.67/x
  3. Step 3: Cross multiply
    91,291,769.55x = 125,995,561.16 × 56,495,669.67
  4. Step 4: Simplify right side
    91,291,769.55x = 7,118,203,602,899,164
  5. Step 5: Solve for x
    x = 7,118,203,602,899,164/91,291,769.55
  6. Step 6: Final answer
    x = 77,972,019.14

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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.