Home / 111,359,637.86-153,679,794.93-64,315,837.40

Finding the Fourth Proportional to 111,359,637.86, 153,679,794.93 and 64,315,837.40

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Solution

The fourth proportional to 111,359,637.86, 153,679,794.93 and 64,315,837.40 is: 88,757,873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,359,637.86 : 153,679,794.93 = 64,315,837.40 : x
  2. Step 2: Convert to fraction form
    111,359,637.86/153,679,794.93 = 64,315,837.40/x
  3. Step 3: Cross multiply
    111,359,637.86x = 153,679,794.93 × 64,315,837.40
  4. Step 4: Simplify right side
    111,359,637.86x = 9,884,044,701,614,826
  5. Step 5: Solve for x
    x = 9,884,044,701,614,826/111,359,637.86
  6. Step 6: Final answer
    x = 88,757,873.97

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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.