Home / 108,426,769,387.65-149,471,243,248.05-75,772,602,175.23

Finding the Fourth Proportional to 108,426,769,387.65, 149,471,243,248.05 and 75,772,602,175.23

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Solution

The fourth proportional to 108,426,769,387.65, 149,471,243,248.05 and 75,772,602,175.23 is: 104,455,985,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,426,769,387.65 : 149,471,243,248.05 = 75,772,602,175.23 : x
  2. Step 2: Convert to fraction form
    108,426,769,387.65/149,471,243,248.05 = 75,772,602,175.23/x
  3. Step 3: Cross multiply
    108,426,769,387.65x = 149,471,243,248.05 × 75,772,602,175.23
  4. Step 4: Simplify right side
    108,426,769,387.65x = 11,325,825,051,271,523,991,552
  5. Step 5: Solve for x
    x = 11,325,825,051,271,523,991,552/108,426,769,387.65
  6. Step 6: Final answer
    x = 104,455,985,502.80

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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.