Home / 93,312,666.80-139,969,000.20-91,801,012.40

Finding the Fourth Proportional to 93,312,666.80, 139,969,000.20 and 91,801,012.40

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Solution

The fourth proportional to 93,312,666.80, 139,969,000.20 and 91,801,012.40 is: 137,701,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,666.80 : 139,969,000.20 = 91,801,012.40 : x
  2. Step 2: Convert to fraction form
    93,312,666.80/139,969,000.20 = 91,801,012.40/x
  3. Step 3: Cross multiply
    93,312,666.80x = 139,969,000.20 × 91,801,012.40
  4. Step 4: Simplify right side
    93,312,666.80x = 12,849,295,922,975,802
  5. Step 5: Solve for x
    x = 12,849,295,922,975,802/93,312,666.80
  6. Step 6: Final answer
    x = 137,701,518.60

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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.