Home / 122,472,001.90-183,708,002.85-45,785,065.60

Finding the Fourth Proportional to 122,472,001.90, 183,708,002.85 and 45,785,065.60

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Solution

The fourth proportional to 122,472,001.90, 183,708,002.85 and 45,785,065.60 is: 68,677,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,472,001.90 : 183,708,002.85 = 45,785,065.60 : x
  2. Step 2: Convert to fraction form
    122,472,001.90/183,708,002.85 = 45,785,065.60/x
  3. Step 3: Cross multiply
    122,472,001.90x = 183,708,002.85 × 45,785,065.60
  4. Step 4: Simplify right side
    122,472,001.90x = 8,411,082,961,732,237
  5. Step 5: Solve for x
    x = 8,411,082,961,732,237/122,472,001.90
  6. Step 6: Final answer
    x = 68,677,598.40

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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.