Home / 90,893,389.95-125,435,973.45-53,755,505.55

Finding the Fourth Proportional to 90,893,389.95, 125,435,973.45 and 53,755,505.55

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Solution

The fourth proportional to 90,893,389.95, 125,435,973.45 and 53,755,505.55 is: 74,184,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,893,389.95 : 125,435,973.45 = 53,755,505.55 : x
  2. Step 2: Convert to fraction form
    90,893,389.95/125,435,973.45 = 53,755,505.55/x
  3. Step 3: Cross multiply
    90,893,389.95x = 125,435,973.45 × 53,755,505.55
  4. Step 4: Simplify right side
    90,893,389.95x = 6,742,874,166,961,127
  5. Step 5: Solve for x
    x = 6,742,874,166,961,127/90,893,389.95
  6. Step 6: Final answer
    x = 74,184,428.27

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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.