Home / 136,142,565.16-187,877,938.98-74,263,178.92

Finding the Fourth Proportional to 136,142,565.16, 187,877,938.98 and 74,263,178.92

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Solution

The fourth proportional to 136,142,565.16, 187,877,938.98 and 74,263,178.92 is: 102,483,840.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,142,565.16 : 187,877,938.98 = 74,263,178.92 : x
  2. Step 2: Convert to fraction form
    136,142,565.16/187,877,938.98 = 74,263,178.92/x
  3. Step 3: Cross multiply
    136,142,565.16x = 187,877,938.98 × 74,263,178.92
  4. Step 4: Simplify right side
    136,142,565.16x = 13,952,412,997,592,582
  5. Step 5: Solve for x
    x = 13,952,412,997,592,582/136,142,565.16
  6. Step 6: Final answer
    x = 102,483,840.97

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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.