Home / 105,712,388.54-145,881,306.15-59,301,645.98

Finding the Fourth Proportional to 105,712,388.54, 145,881,306.15 and 59,301,645.98

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Solution

The fourth proportional to 105,712,388.54, 145,881,306.15 and 59,301,645.98 is: 81,835,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,712,388.54 : 145,881,306.15 = 59,301,645.98 : x
  2. Step 2: Convert to fraction form
    105,712,388.54/145,881,306.15 = 59,301,645.98/x
  3. Step 3: Cross multiply
    105,712,388.54x = 145,881,306.15 × 59,301,645.98
  4. Step 4: Simplify right side
    105,712,388.54x = 8,651,001,572,407,297
  5. Step 5: Solve for x
    x = 8,651,001,572,407,297/105,712,388.54
  6. Step 6: Final answer
    x = 81,835,267.29

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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.