Home / 145,008,001.95-217,512,002.93-83,702,017.95

Finding the Fourth Proportional to 145,008,001.95, 217,512,002.93 and 83,702,017.95

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Solution

The fourth proportional to 145,008,001.95, 217,512,002.93 and 83,702,017.95 is: 125,553,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,008,001.95 : 217,512,002.93 = 83,702,017.95 : x
  2. Step 2: Convert to fraction form
    145,008,001.95/217,512,002.93 = 83,702,017.95/x
  3. Step 3: Cross multiply
    145,008,001.95x = 217,512,002.93 × 83,702,017.95
  4. Step 4: Simplify right side
    145,008,001.95x = 18,206,193,573,168,804
  5. Step 5: Solve for x
    x = 18,206,193,573,168,804/145,008,001.95
  6. Step 6: Final answer
    x = 125,553,026.93

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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.