Home / 258,366,931.20-356,547,484.80-153,997,459.20

Finding the Fourth Proportional to 258,366,931.20, 356,547,484.80 and 153,997,459.20

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Solution

The fourth proportional to 258,366,931.20, 356,547,484.80 and 153,997,459.20 is: 212,517,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,366,931.20 : 356,547,484.80 = 153,997,459.20 : x
  2. Step 2: Convert to fraction form
    258,366,931.20/356,547,484.80 = 153,997,459.20/x
  3. Step 3: Cross multiply
    258,366,931.20x = 356,547,484.80 × 153,997,459.20
  4. Step 4: Simplify right side
    258,366,931.20x = 54,907,406,743,350,616
  5. Step 5: Solve for x
    x = 54,907,406,743,350,616/258,366,931.20
  6. Step 6: Final answer
    x = 212,517,161.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.