Home / 186,108,355.40-279,173,030.70-56,720,186.60

Finding the Fourth Proportional to 186,108,355.40, 279,173,030.70 and 56,720,186.60

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Solution

The fourth proportional to 186,108,355.40, 279,173,030.70 and 56,720,186.60 is: 85,083,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,108,355.40 : 279,173,030.70 = 56,720,186.60 : x
  2. Step 2: Convert to fraction form
    186,108,355.40/279,173,030.70 = 56,720,186.60/x
  3. Step 3: Cross multiply
    186,108,355.40x = 279,173,030.70 × 56,720,186.60
  4. Step 4: Simplify right side
    186,108,355.40x = 15,834,746,394,991,528
  5. Step 5: Solve for x
    x = 15,834,746,394,991,528/186,108,355.40
  6. Step 6: Final answer
    x = 85,083,479.25

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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.