Home / 67,140,871,543.90-92,696,217,702.96-42,740,049,614.32

Finding the Fourth Proportional to 67,140,871,543.90, 92,696,217,702.96 and 42,740,049,614.32

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Solution

The fourth proportional to 67,140,871,543.90, 92,696,217,702.96 and 42,740,049,614.32 is: 59,007,886,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,140,871,543.90 : 92,696,217,702.96 = 42,740,049,614.32 : x
  2. Step 2: Convert to fraction form
    67,140,871,543.90/92,696,217,702.96 = 42,740,049,614.32/x
  3. Step 3: Cross multiply
    67,140,871,543.90x = 92,696,217,702.96 × 42,740,049,614.32
  4. Step 4: Simplify right side
    67,140,871,543.90x = 3,961,840,943,684,318,658,560
  5. Step 5: Solve for x
    x = 3,961,840,943,684,318,658,560/67,140,871,543.90
  6. Step 6: Final answer
    x = 59,007,886,739.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.