Home / 90,186,135.84-135,221,660.64-59,445,223.20

Finding the Fourth Proportional to 90,186,135.84, 135,221,660.64 and 59,445,223.20

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Solution

The fourth proportional to 90,186,135.84, 135,221,660.64 and 59,445,223.20 is: 89,129,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,186,135.84 : 135,221,660.64 = 59,445,223.20 : x
  2. Step 2: Convert to fraction form
    90,186,135.84/135,221,660.64 = 59,445,223.20/x
  3. Step 3: Cross multiply
    90,186,135.84x = 135,221,660.64 × 59,445,223.20
  4. Step 4: Simplify right side
    90,186,135.84x = 8,038,281,798,219,454
  5. Step 5: Solve for x
    x = 8,038,281,798,219,454/90,186,135.84
  6. Step 6: Final answer
    x = 89,129,905.87

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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.