Home / 143,748,001.40-215,622,002.10-67,220,497.40

Finding the Fourth Proportional to 143,748,001.40, 215,622,002.10 and 67,220,497.40

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Solution

The fourth proportional to 143,748,001.40, 215,622,002.10 and 67,220,497.40 is: 100,830,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,748,001.40 : 215,622,002.10 = 67,220,497.40 : x
  2. Step 2: Convert to fraction form
    143,748,001.40/215,622,002.10 = 67,220,497.40/x
  3. Step 3: Cross multiply
    143,748,001.40x = 215,622,002.10 × 67,220,497.40
  4. Step 4: Simplify right side
    143,748,001.40x = 14,494,218,231,545,846
  5. Step 5: Solve for x
    x = 14,494,218,231,545,846/143,748,001.40
  6. Step 6: Final answer
    x = 100,830,746.10

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1.5x scale

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.