Home / 137,566,526.68-189,843,312.09-74,842,981.22

Finding the Fourth Proportional to 137,566,526.68, 189,843,312.09 and 74,842,981.22

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Solution

The fourth proportional to 137,566,526.68, 189,843,312.09 and 74,842,981.22 is: 103,284,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,566,526.68 : 189,843,312.09 = 74,842,981.22 : x
  2. Step 2: Convert to fraction form
    137,566,526.68/189,843,312.09 = 74,842,981.22/x
  3. Step 3: Cross multiply
    137,566,526.68x = 189,843,312.09 × 74,842,981.22
  4. Step 4: Simplify right side
    137,566,526.68x = 14,208,439,442,249,738
  5. Step 5: Solve for x
    x = 14,208,439,442,249,738/137,566,526.68
  6. Step 6: Final answer
    x = 103,284,133.03

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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.