Home / 152,249,820-210,104,982.48-82,635,226.32

Finding the Fourth Proportional to 152,249,820, 210,104,982.48 and 82,635,226.32

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Solution

The fourth proportional to 152,249,820, 210,104,982.48 and 82,635,226.32 is: 114,036,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,249,820 : 210,104,982.48 = 82,635,226.32 : x
  2. Step 2: Convert to fraction form
    152,249,820/210,104,982.48 = 82,635,226.32/x
  3. Step 3: Cross multiply
    152,249,820x = 210,104,982.48 × 82,635,226.32
  4. Step 4: Simplify right side
    152,249,820x = 17,362,072,778,194,432
  5. Step 5: Solve for x
    x = 17,362,072,778,194,432/152,249,820
  6. Step 6: Final answer
    x = 114,036,737.63

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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.