Home / 103,129,021,018.39-154,693,495,117.98-27,580,208,166.93

Finding the Fourth Proportional to 103,129,021,018.39, 154,693,495,117.98 and 27,580,208,166.93

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Solution

The fourth proportional to 103,129,021,018.39, 154,693,495,117.98 and 27,580,208,166.93 is: 41,370,302,513.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,129,021,018.39 : 154,693,495,117.98 = 27,580,208,166.93 : x
  2. Step 2: Convert to fraction form
    103,129,021,018.39/154,693,495,117.98 = 27,580,208,166.93/x
  3. Step 3: Cross multiply
    103,129,021,018.39x = 154,693,495,117.98 × 27,580,208,166.93
  4. Step 4: Simplify right side
    103,129,021,018.39x = 4,266,478,797,423,858,679,808
  5. Step 5: Solve for x
    x = 4,266,478,797,423,858,679,808/103,129,021,018.39
  6. Step 6: Final answer
    x = 41,370,302,513.23

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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.