Home / 152,423,934.17-210,298,687.49-86,333,931.41

Finding the Fourth Proportional to 152,423,934.17, 210,298,687.49 and 86,333,931.41

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Solution

The fourth proportional to 152,423,934.17, 210,298,687.49 and 86,333,931.41 is: 119,114,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,423,934.17 : 210,298,687.49 = 86,333,931.41 : x
  2. Step 2: Convert to fraction form
    152,423,934.17/210,298,687.49 = 86,333,931.41/x
  3. Step 3: Cross multiply
    152,423,934.17x = 210,298,687.49 × 86,333,931.41
  4. Step 4: Simplify right side
    152,423,934.17x = 18,155,912,460,539,028
  5. Step 5: Solve for x
    x = 18,155,912,460,539,028/152,423,934.17
  6. Step 6: Final answer
    x = 119,114,577.12

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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.