Home / 115,785,052.49-159,785,657.71-63,573,631.45

Finding the Fourth Proportional to 115,785,052.49, 159,785,657.71 and 63,573,631.45

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Solution

The fourth proportional to 115,785,052.49, 159,785,657.71 and 63,573,631.45 is: 87,732,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,785,052.49 : 159,785,657.71 = 63,573,631.45 : x
  2. Step 2: Convert to fraction form
    115,785,052.49/159,785,657.71 = 63,573,631.45/x
  3. Step 3: Cross multiply
    115,785,052.49x = 159,785,657.71 × 63,573,631.45
  4. Step 4: Simplify right side
    115,785,052.49x = 10,158,154,513,692,994
  5. Step 5: Solve for x
    x = 10,158,154,513,692,994/115,785,052.49
  6. Step 6: Final answer
    x = 87,732,866.16

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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.