Home / 109,689,439,681.84-151,372,653,917.64-60,861,144,266.72

Finding the Fourth Proportional to 109,689,439,681.84, 151,372,653,917.64 and 60,861,144,266.72

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Solution

The fourth proportional to 109,689,439,681.84, 151,372,653,917.64 and 60,861,144,266.72 is: 83,989,059,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,689,439,681.84 : 151,372,653,917.64 = 60,861,144,266.72 : x
  2. Step 2: Convert to fraction form
    109,689,439,681.84/151,372,653,917.64 = 60,861,144,266.72/x
  3. Step 3: Cross multiply
    109,689,439,681.84x = 151,372,653,917.64 × 60,861,144,266.72
  4. Step 4: Simplify right side
    109,689,439,681.84x = 9,212,712,928,118,221,832,192
  5. Step 5: Solve for x
    x = 9,212,712,928,118,221,832,192/109,689,439,681.84
  6. Step 6: Final answer
    x = 83,989,059,975.51

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1.5x scale

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.