Home / 145,186,735-200,355,160.58-79,107,780.22

Finding the Fourth Proportional to 145,186,735, 200,355,160.58 and 79,107,780.22

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Solution

The fourth proportional to 145,186,735, 200,355,160.58 and 79,107,780.22 is: 109,167,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,186,735 : 200,355,160.58 = 79,107,780.22 : x
  2. Step 2: Convert to fraction form
    145,186,735/200,355,160.58 = 79,107,780.22/x
  3. Step 3: Cross multiply
    145,186,735x = 200,355,160.58 × 79,107,780.22
  4. Step 4: Simplify right side
    145,186,735x = 15,849,652,009,105,448
  5. Step 5: Solve for x
    x = 15,849,652,009,105,448/145,186,735
  6. Step 6: Final answer
    x = 109,167,356.16

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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.