Home / 157,117,935.40-235,676,903.10-99,675,068.20

Finding the Fourth Proportional to 157,117,935.40, 235,676,903.10 and 99,675,068.20

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Solution

The fourth proportional to 157,117,935.40, 235,676,903.10 and 99,675,068.20 is: 149,512,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,117,935.40 : 235,676,903.10 = 99,675,068.20 : x
  2. Step 2: Convert to fraction form
    157,117,935.40/235,676,903.10 = 99,675,068.20/x
  3. Step 3: Cross multiply
    157,117,935.40x = 235,676,903.10 × 99,675,068.20
  4. Step 4: Simplify right side
    157,117,935.40x = 23,491,111,389,657,292
  5. Step 5: Solve for x
    x = 23,491,111,389,657,292/157,117,935.40
  6. Step 6: Final answer
    x = 149,512,602.30

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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.