Home / 189,557,688-284,347,554.64-53,253,700.32

Finding the Fourth Proportional to 189,557,688, 284,347,554.64 and 53,253,700.32

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Solution

The fourth proportional to 189,557,688, 284,347,554.64 and 53,253,700.32 is: 79,883,647.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,557,688 : 284,347,554.64 = 53,253,700.32 : x
  2. Step 2: Convert to fraction form
    189,557,688/284,347,554.64 = 53,253,700.32/x
  3. Step 3: Cross multiply
    189,557,688x = 284,347,554.64 × 53,253,700.32
  4. Step 4: Simplify right side
    189,557,688x = 15,142,559,461,523,384
  5. Step 5: Solve for x
    x = 15,142,559,461,523,384/189,557,688
  6. Step 6: Final answer
    x = 79,883,647.14

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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.