Home / 282,807,794.80-390,216,266.53-165,310,396.93

Finding the Fourth Proportional to 282,807,794.80, 390,216,266.53 and 165,310,396.93

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Solution

The fourth proportional to 282,807,794.80, 390,216,266.53 and 165,310,396.93 is: 228,094,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,807,794.80 : 390,216,266.53 = 165,310,396.93 : x
  2. Step 2: Convert to fraction form
    282,807,794.80/390,216,266.53 = 165,310,396.93/x
  3. Step 3: Cross multiply
    282,807,794.80x = 390,216,266.53 × 165,310,396.93
  4. Step 4: Simplify right side
    282,807,794.80x = 64,506,805,908,616,968
  5. Step 5: Solve for x
    x = 64,506,805,908,616,968/282,807,794.80
  6. Step 6: Final answer
    x = 228,094,158.28

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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.