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Finding the Fourth Proportional to 64,358,878.90, 88,834,154.55 and 42,035,277.68

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Solution

The fourth proportional to 64,358,878.90, 88,834,154.55 and 42,035,277.68 is: 58,021,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,358,878.90 : 88,834,154.55 = 42,035,277.68 : x
  2. Step 2: Convert to fraction form
    64,358,878.90/88,834,154.55 = 42,035,277.68/x
  3. Step 3: Cross multiply
    64,358,878.90x = 88,834,154.55 × 42,035,277.68
  4. Step 4: Simplify right side
    64,358,878.90x = 3,734,168,353,807,744
  5. Step 5: Solve for x
    x = 3,734,168,353,807,744/64,358,878.90
  6. Step 6: Final answer
    x = 58,021,028.61

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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.