Home / 142,478,800,138.95-213,754,374,991.36-65,956,413,177.67

Finding the Fourth Proportional to 142,478,800,138.95, 213,754,374,991.36 and 65,956,413,177.67

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Solution

The fourth proportional to 142,478,800,138.95, 213,754,374,991.36 and 65,956,413,177.67 is: 98,951,365,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,478,800,138.95 : 213,754,374,991.36 = 65,956,413,177.67 : x
  2. Step 2: Convert to fraction form
    142,478,800,138.95/213,754,374,991.36 = 65,956,413,177.67/x
  3. Step 3: Cross multiply
    142,478,800,138.95x = 213,754,374,991.36 × 65,956,413,177.67
  4. Step 4: Simplify right side
    142,478,800,138.95x = 14,098,471,875,463,681,671,168
  5. Step 5: Solve for x
    x = 14,098,471,875,463,681,671,168/142,478,800,138.95
  6. Step 6: Final answer
    x = 98,951,365,829.26

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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.