Home / 66,154,148,276.13-99,231,216,941.52-18,347,157,070.98

Finding the Fourth Proportional to 66,154,148,276.13, 99,231,216,941.52 and 18,347,157,070.98

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Solution

The fourth proportional to 66,154,148,276.13, 99,231,216,941.52 and 18,347,157,070.98 is: 27,520,734,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,154,148,276.13 : 99,231,216,941.52 = 18,347,157,070.98 : x
  2. Step 2: Convert to fraction form
    66,154,148,276.13/99,231,216,941.52 = 18,347,157,070.98/x
  3. Step 3: Cross multiply
    66,154,148,276.13x = 99,231,216,941.52 × 18,347,157,070.98
  4. Step 4: Simplify right side
    66,154,148,276.13x = 1,820,610,723,570,368,118,784
  5. Step 5: Solve for x
    x = 1,820,610,723,570,368,118,784/66,154,148,276.13
  6. Step 6: Final answer
    x = 27,520,734,088.68

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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.