Home / 154,426,730.53-231,639,909.89-39,411,285.16

Finding the Fourth Proportional to 154,426,730.53, 231,639,909.89 and 39,411,285.16

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Solution

The fourth proportional to 154,426,730.53, 231,639,909.89 and 39,411,285.16 is: 59,116,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,730.53 : 231,639,909.89 = 39,411,285.16 : x
  2. Step 2: Convert to fraction form
    154,426,730.53/231,639,909.89 = 39,411,285.16/x
  3. Step 3: Cross multiply
    154,426,730.53x = 231,639,909.89 × 39,411,285.16
  4. Step 4: Simplify right side
    154,426,730.53x = 9,129,226,543,111,492
  5. Step 5: Solve for x
    x = 9,129,226,543,111,492/154,426,730.53
  6. Step 6: Final answer
    x = 59,116,880.30

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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.