Home / 52,403,830.25-72,317,572.56-30,390,381.45

Finding the Fourth Proportional to 52,403,830.25, 72,317,572.56 and 30,390,381.45

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Solution

The fourth proportional to 52,403,830.25, 72,317,572.56 and 30,390,381.45 is: 41,938,892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403,830.25 : 72,317,572.56 = 30,390,381.45 : x
  2. Step 2: Convert to fraction form
    52,403,830.25/72,317,572.56 = 30,390,381.45/x
  3. Step 3: Cross multiply
    52,403,830.25x = 72,317,572.56 × 30,390,381.45
  4. Step 4: Simplify right side
    52,403,830.25x = 2,197,758,615,636,453
  5. Step 5: Solve for x
    x = 2,197,758,615,636,453/52,403,830.25
  6. Step 6: Final answer
    x = 41,938,892.74

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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.