Home / 286,852,165.71-430,366,061.60-146,891,720.19

Finding the Fourth Proportional to 286,852,165.71, 430,366,061.60 and 146,891,720.19

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Solution

The fourth proportional to 286,852,165.71, 430,366,061.60 and 146,891,720.19 is: 220,382,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,852,165.71 : 430,366,061.60 = 146,891,720.19 : x
  2. Step 2: Convert to fraction form
    286,852,165.71/430,366,061.60 = 146,891,720.19/x
  3. Step 3: Cross multiply
    286,852,165.71x = 430,366,061.60 × 146,891,720.19
  4. Step 4: Simplify right side
    286,852,165.71x = 63,217,211,099,085,048
  5. Step 5: Solve for x
    x = 63,217,211,099,085,048/286,852,165.71
  6. Step 6: Final answer
    x = 220,382,547.72

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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.