Home / 432,602,785.80-648,904,186.90-105,076,092.07

Finding the Fourth Proportional to 432,602,785.80, 648,904,186.90 and 105,076,092.07

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Solution

The fourth proportional to 432,602,785.80, 648,904,186.90 and 105,076,092.07 is: 157,614,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,602,785.80 : 648,904,186.90 = 105,076,092.07 : x
  2. Step 2: Convert to fraction form
    432,602,785.80/648,904,186.90 = 105,076,092.07/x
  3. Step 3: Cross multiply
    432,602,785.80x = 648,904,186.90 × 105,076,092.07
  4. Step 4: Simplify right side
    432,602,785.80x = 68,184,316,088,255,368
  5. Step 5: Solve for x
    x = 68,184,316,088,255,368/432,602,785.80
  6. Step 6: Final answer
    x = 157,614,140.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.