Home / 119,849,690.87-165,392,570.81-64,845,547.37

Finding the Fourth Proportional to 119,849,690.87, 165,392,570.81 and 64,845,547.37

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Solution

The fourth proportional to 119,849,690.87, 165,392,570.81 and 64,845,547.37 is: 89,486,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,849,690.87 : 165,392,570.81 = 64,845,547.37 : x
  2. Step 2: Convert to fraction form
    119,849,690.87/165,392,570.81 = 64,845,547.37/x
  3. Step 3: Cross multiply
    119,849,690.87x = 165,392,570.81 × 64,845,547.37
  4. Step 4: Simplify right side
    119,849,690.87x = 10,724,971,785,105,934
  5. Step 5: Solve for x
    x = 10,724,971,785,105,934/119,849,690.87
  6. Step 6: Final answer
    x = 89,486,853.97

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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.