Home / 143,386,296,603.60-215,079,444,905.40-91,272,515,048.40

Finding the Fourth Proportional to 143,386,296,603.60, 215,079,444,905.40 and 91,272,515,048.40

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Solution

The fourth proportional to 143,386,296,603.60, 215,079,444,905.40 and 91,272,515,048.40 is: 136,908,772,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,386,296,603.60 : 215,079,444,905.40 = 91,272,515,048.40 : x
  2. Step 2: Convert to fraction form
    143,386,296,603.60/215,079,444,905.40 = 91,272,515,048.40/x
  3. Step 3: Cross multiply
    143,386,296,603.60x = 215,079,444,905.40 × 91,272,515,048.40
  4. Step 4: Simplify right side
    143,386,296,603.60x = 19,630,841,871,729,638,244,352
  5. Step 5: Solve for x
    x = 19,630,841,871,729,638,244,352/143,386,296,603.60
  6. Step 6: Final answer
    x = 136,908,772,572.60

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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.