Home / 242,249,991.60-363,374,987.40-140,213,319.60

Finding the Fourth Proportional to 242,249,991.60, 363,374,987.40 and 140,213,319.60

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Solution

The fourth proportional to 242,249,991.60, 363,374,987.40 and 140,213,319.60 is: 210,319,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,249,991.60 : 363,374,987.40 = 140,213,319.60 : x
  2. Step 2: Convert to fraction form
    242,249,991.60/363,374,987.40 = 140,213,319.60/x
  3. Step 3: Cross multiply
    242,249,991.60x = 363,374,987.40 × 140,213,319.60
  4. Step 4: Simplify right side
    242,249,991.60x = 50,950,013,242,962,168
  5. Step 5: Solve for x
    x = 50,950,013,242,962,168/242,249,991.60
  6. Step 6: Final answer
    x = 210,319,979.40

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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.