Home / 144,735,898.68-216,925,981.29-66,907,526.67

Finding the Fourth Proportional to 144,735,898.68, 216,925,981.29 and 66,907,526.67

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Solution

The fourth proportional to 144,735,898.68, 216,925,981.29 and 66,907,526.67 is: 100,279,066.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,735,898.68 : 216,925,981.29 = 66,907,526.67 : x
  2. Step 2: Convert to fraction form
    144,735,898.68/216,925,981.29 = 66,907,526.67/x
  3. Step 3: Cross multiply
    144,735,898.68x = 216,925,981.29 × 66,907,526.67
  4. Step 4: Simplify right side
    144,735,898.68x = 14,513,980,878,576,596
  5. Step 5: Solve for x
    x = 14,513,980,878,576,596/144,735,898.68
  6. Step 6: Final answer
    x = 100,279,066.98

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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.