Home / 157,525,005.60-236,287,508.40-42,509,363.40

Finding the Fourth Proportional to 157,525,005.60, 236,287,508.40 and 42,509,363.40

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Solution

The fourth proportional to 157,525,005.60, 236,287,508.40 and 42,509,363.40 is: 63,764,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,525,005.60 : 236,287,508.40 = 42,509,363.40 : x
  2. Step 2: Convert to fraction form
    157,525,005.60/236,287,508.40 = 42,509,363.40/x
  3. Step 3: Cross multiply
    157,525,005.60x = 236,287,508.40 × 42,509,363.40
  4. Step 4: Simplify right side
    157,525,005.60x = 10,044,431,561,456,152
  5. Step 5: Solve for x
    x = 10,044,431,561,456,152/157,525,005.60
  6. Step 6: Final answer
    x = 63,764,045.10

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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.