Home / 57,316,971.84-79,097,426.40-31,211,482.08

Finding the Fourth Proportional to 57,316,971.84, 79,097,426.40 and 31,211,482.08

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Solution

The fourth proportional to 57,316,971.84, 79,097,426.40 and 31,211,482.08 is: 43,071,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,316,971.84 : 79,097,426.40 = 31,211,482.08 : x
  2. Step 2: Convert to fraction form
    57,316,971.84/79,097,426.40 = 31,211,482.08/x
  3. Step 3: Cross multiply
    57,316,971.84x = 79,097,426.40 × 31,211,482.08
  4. Step 4: Simplify right side
    57,316,971.84x = 2,468,747,906,657,719
  5. Step 5: Solve for x
    x = 2,468,747,906,657,719/57,316,971.84
  6. Step 6: Final answer
    x = 43,071,848.14

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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.