Home / 193,559,875.20-290,339,812.80-145,186,934.40

Finding the Fourth Proportional to 193,559,875.20, 290,339,812.80 and 145,186,934.40

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Solution

The fourth proportional to 193,559,875.20, 290,339,812.80 and 145,186,934.40 is: 217,780,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,559,875.20 : 290,339,812.80 = 145,186,934.40 : x
  2. Step 2: Convert to fraction form
    193,559,875.20/290,339,812.80 = 145,186,934.40/x
  3. Step 3: Cross multiply
    193,559,875.20x = 290,339,812.80 × 145,186,934.40
  4. Step 4: Simplify right side
    193,559,875.20x = 42,153,547,354,701,880
  5. Step 5: Solve for x
    x = 42,153,547,354,701,880/193,559,875.20
  6. Step 6: Final answer
    x = 217,780,401.60

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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.