Home / 85,531,048,402.71-128,301,475,475.40-22,644,712,822.58

Finding the Fourth Proportional to 85,531,048,402.71, 128,301,475,475.40 and 22,644,712,822.58

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Solution

The fourth proportional to 85,531,048,402.71, 128,301,475,475.40 and 22,644,712,822.58 is: 33,968,367,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,531,048,402.71 : 128,301,475,475.40 = 22,644,712,822.58 : x
  2. Step 2: Convert to fraction form
    85,531,048,402.71/128,301,475,475.40 = 22,644,712,822.58/x
  3. Step 3: Cross multiply
    85,531,048,402.71x = 128,301,475,475.40 × 22,644,712,822.58
  4. Step 4: Simplify right side
    85,531,048,402.71x = 2,905,350,066,853,082,300,416
  5. Step 5: Solve for x
    x = 2,905,350,066,853,082,300,416/85,531,048,402.71
  6. Step 6: Final answer
    x = 33,968,367,290.13

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1.5x scale

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.