Home / 72,507,077,130.78-99,335,050,114.59-69,789,528,924.93

Finding the Fourth Proportional to 72,507,077,130.78, 99,335,050,114.59 and 69,789,528,924.93

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Solution

The fourth proportional to 72,507,077,130.78, 99,335,050,114.59 and 69,789,528,924.93 is: 95,611,995,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,507,077,130.78 : 99,335,050,114.59 = 69,789,528,924.93 : x
  2. Step 2: Convert to fraction form
    72,507,077,130.78/99,335,050,114.59 = 69,789,528,924.93/x
  3. Step 3: Cross multiply
    72,507,077,130.78x = 99,335,050,114.59 × 69,789,528,924.93
  4. Step 4: Simplify right side
    72,507,077,130.78x = 6,932,546,353,231,549,169,664
  5. Step 5: Solve for x
    x = 6,932,546,353,231,549,169,664/72,507,077,130.78
  6. Step 6: Final answer
    x = 95,611,995,788.04

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.