Home / 154,426,727.11-231,639,904.72-39,411,281.74

Finding the Fourth Proportional to 154,426,727.11, 231,639,904.72 and 39,411,281.74

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Solution

The fourth proportional to 154,426,727.11, 231,639,904.72 and 39,411,281.74 is: 59,116,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,727.11 : 231,639,904.72 = 39,411,281.74 : x
  2. Step 2: Convert to fraction form
    154,426,727.11/231,639,904.72 = 39,411,281.74/x
  3. Step 3: Cross multiply
    154,426,727.11x = 231,639,904.72 × 39,411,281.74
  4. Step 4: Simplify right side
    154,426,727.11x = 9,129,225,547,146,676
  5. Step 5: Solve for x
    x = 9,129,225,547,146,676/154,426,727.11
  6. Step 6: Final answer
    x = 59,116,875.15

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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.