Home / 289,386,007.20-434,582,895.60-153,337,111.20

Finding the Fourth Proportional to 289,386,007.20, 434,582,895.60 and 153,337,111.20

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Solution

The fourth proportional to 289,386,007.20, 434,582,895.60 and 153,337,111.20 is: 230,272,660.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,386,007.20 : 434,582,895.60 = 153,337,111.20 : x
  2. Step 2: Convert to fraction form
    289,386,007.20/434,582,895.60 = 153,337,111.20/x
  3. Step 3: Cross multiply
    289,386,007.20x = 434,582,895.60 × 153,337,111.20
  4. Step 4: Simplify right side
    289,386,007.20x = 66,637,685,788,235,192
  5. Step 5: Solve for x
    x = 66,637,685,788,235,192/289,386,007.20
  6. Step 6: Final answer
    x = 230,272,660.50

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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.