Home / 60,129,218,742.08-90,272,654,066.63-40,320,742,077.45

Finding the Fourth Proportional to 60,129,218,742.08, 90,272,654,066.63 and 40,320,742,077.45

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Solution

The fourth proportional to 60,129,218,742.08, 90,272,654,066.63 and 40,320,742,077.45 is: 60,533,971,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,129,218,742.08 : 90,272,654,066.63 = 40,320,742,077.45 : x
  2. Step 2: Convert to fraction form
    60,129,218,742.08/90,272,654,066.63 = 40,320,742,077.45/x
  3. Step 3: Cross multiply
    60,129,218,742.08x = 90,272,654,066.63 × 40,320,742,077.45
  4. Step 4: Simplify right side
    60,129,218,742.08x = 3,639,860,401,267,254,231,040
  5. Step 5: Solve for x
    x = 3,639,860,401,267,254,231,040/60,129,218,742.08
  6. Step 6: Final answer
    x = 60,533,971,294.06

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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.