Home / 145,667,332.17-201,018,572.42-79,586,411.53

Finding the Fourth Proportional to 145,667,332.17, 201,018,572.42 and 79,586,411.53

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Solution

The fourth proportional to 145,667,332.17, 201,018,572.42 and 79,586,411.53 is: 109,827,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,667,332.17 : 201,018,572.42 = 79,586,411.53 : x
  2. Step 2: Convert to fraction form
    145,667,332.17/201,018,572.42 = 79,586,411.53/x
  3. Step 3: Cross multiply
    145,667,332.17x = 201,018,572.42 × 79,586,411.53
  4. Step 4: Simplify right side
    145,667,332.17x = 15,998,346,830,293,774
  5. Step 5: Solve for x
    x = 15,998,346,830,293,774/145,667,332.17
  6. Step 6: Final answer
    x = 109,827,966.18

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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.