Home / 91,064,988.72-125,712,035.64-53,883,578.16

Finding the Fourth Proportional to 91,064,988.72, 125,712,035.64 and 53,883,578.16

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Solution

The fourth proportional to 91,064,988.72, 125,712,035.64 and 53,883,578.16 is: 74,384,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,064,988.72 : 125,712,035.64 = 53,883,578.16 : x
  2. Step 2: Convert to fraction form
    91,064,988.72/125,712,035.64 = 53,883,578.16/x
  3. Step 3: Cross multiply
    91,064,988.72x = 125,712,035.64 × 53,883,578.16
  4. Step 4: Simplify right side
    91,064,988.72x = 6,773,814,298,060,645
  5. Step 5: Solve for x
    x = 6,773,814,298,060,645/91,064,988.72
  6. Step 6: Final answer
    x = 74,384,397.27

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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.