Home / 70,333,282.74-105,490,347.08-18,513,545.70

Finding the Fourth Proportional to 70,333,282.74, 105,490,347.08 and 18,513,545.70

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Solution

The fourth proportional to 70,333,282.74, 105,490,347.08 and 18,513,545.70 is: 27,767,797.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,333,282.74 : 105,490,347.08 = 18,513,545.70 : x
  2. Step 2: Convert to fraction form
    70,333,282.74/105,490,347.08 = 18,513,545.70/x
  3. Step 3: Cross multiply
    70,333,282.74x = 105,490,347.08 × 18,513,545.70
  4. Step 4: Simplify right side
    70,333,282.74x = 1,953,000,361,574,441.50
  5. Step 5: Solve for x
    x = 1,953,000,361,574,441.50/70,333,282.74
  6. Step 6: Final answer
    x = 27,767,797.63

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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.