Home / 127,813,754,688.40-191,720,632,032.60-53,337,187,795.60

Finding the Fourth Proportional to 127,813,754,688.40, 191,720,632,032.60 and 53,337,187,795.60

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Solution

The fourth proportional to 127,813,754,688.40, 191,720,632,032.60 and 53,337,187,795.60 is: 80,005,781,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,813,754,688.40 : 191,720,632,032.60 = 53,337,187,795.60 : x
  2. Step 2: Convert to fraction form
    127,813,754,688.40/191,720,632,032.60 = 53,337,187,795.60/x
  3. Step 3: Cross multiply
    127,813,754,688.40x = 191,720,632,032.60 × 53,337,187,795.60
  4. Step 4: Simplify right side
    127,813,754,688.40x = 10,225,839,355,013,911,019,520
  5. Step 5: Solve for x
    x = 10,225,839,355,013,911,019,520/127,813,754,688.40
  6. Step 6: Final answer
    x = 80,005,781,693.40

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1.5x scale

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.