Home / 143,527,592.80-215,144,422.80-70,632,258.40

Finding the Fourth Proportional to 143,527,592.80, 215,144,422.80 and 70,632,258.40

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Solution

The fourth proportional to 143,527,592.80, 215,144,422.80 and 70,632,258.40 is: 105,876,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,527,592.80 : 215,144,422.80 = 70,632,258.40 : x
  2. Step 2: Convert to fraction form
    143,527,592.80/215,144,422.80 = 70,632,258.40/x
  3. Step 3: Cross multiply
    143,527,592.80x = 215,144,422.80 × 70,632,258.40
  4. Step 4: Simplify right side
    143,527,592.80x = 15,196,136,464,528,454
  5. Step 5: Solve for x
    x = 15,196,136,464,528,454/143,527,592.80
  6. Step 6: Final answer
    x = 105,876,063.05

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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.