Home / 153,681,551.51-230,152,951.94-87,903,272.79

Finding the Fourth Proportional to 153,681,551.51, 230,152,951.94 and 87,903,272.79

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Solution

The fourth proportional to 153,681,551.51, 230,152,951.94 and 87,903,272.79 is: 131,643,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,681,551.51 : 230,152,951.94 = 87,903,272.79 : x
  2. Step 2: Convert to fraction form
    153,681,551.51/230,152,951.94 = 87,903,272.79/x
  3. Step 3: Cross multiply
    153,681,551.51x = 230,152,951.94 × 87,903,272.79
  4. Step 4: Simplify right side
    153,681,551.51x = 20,231,197,717,366,064
  5. Step 5: Solve for x
    x = 20,231,197,717,366,064/153,681,551.51
  6. Step 6: Final answer
    x = 131,643,632.69

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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.